I opened another thread here some weeks ago Internet sites are loading slowly sometimes with Firefox and Chromium.
The solution helped to improve the loading speed in general, but I still have the (minor) issue that sporadically websites take some seconds to start loading. In chromium I then see the message "Resolve Host" (Host auflösen in German) on the left bottom. That's why I think it could be due a DNS issue, but all tests we did in the other thread show that everything seems to be fine. I tried the Ubuntustudio live image and it seems to work without issues there, although I only could test it with Firefox which is not showing me that message.
My PC is connected via LAN to a Fritzbox repeater (1750E) and that one is connected by WLAN to another one which finally connects to the Fritzbox by WLAN. All routers are meshed and all my other devices works fine.
The issue occurs more often after diretly starting the PC. If website A has problems with resolving the host name and it finally loads after some seconds, the second time I load the site it works immediately which may be points to a DNS cache issue (?). I even get it sometimes when opening my router fritz.box site.
My Ubuntu version is: No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 20.04.1 LTS Release: 20.04 Codename: focal
Some more info:
System:
Host: marco-MS-7817 Kernel: 5.4.0-47-lowlatency x86_64 bits: 64
Desktop: Xfce 4.14.2 Distro: Ubuntu 20.04.1 LTS (Focal Fossa)
Machine:
Type: Desktop Mobo: MSI model: H81M-E34 (MS-7817) v: 3.0
serial: <superuser/root required> BIOS: American Megatrends v: 17.5
date: 03/30/2015
CPU:
Topology: Quad Core model: Intel Core i5-4460 bits: 64 type: MCP
L2 cache: 6144 KiB
Speed: 3200 MHz min/max: 800/3200 MHz Core speeds (MHz): 1: 3200 2: 3200
3: 3200 4: 3200
Graphics:
Device-1: Intel Xeon E3-1200 v3/4th Gen Core Processor Integrated Graphics
driver: i915 v: kernel
Display: x11 server: X.Org 1.20.8 driver: modesetting unloaded: fbdev,vesa
resolution: 1920x1080~60Hz
OpenGL: renderer: Mesa DRI Intel HD Graphics 4600 (HSW GT2)
v: 4.5 Mesa 20.0.8
Audio:
Device-1: Intel Xeon E3-1200 v3/4th Gen Core Processor HD Audio
driver: snd_hda_intel
Device-2: BEHRINGER UMC204HD 192k type: USB driver: snd-usb-audio
Device-3: AKAI Professional M.I. type: USB
driver: hid-generic,snd-usb-audio,usbhid
Sound Server: ALSA v: k5.4.0-47-lowlatency
Network:
Device-1: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet
driver: r8169
IF: enp2s0 state: up speed: 1000 Mbps duplex: full mac: d8:cb:8a:e8:e9:99
Drives:
Local Storage: total: 523.08 GiB used: 159.23 GiB (30.4%)
ID-1: /dev/sda vendor: Samsung model: SSD 850 EVO 250GB size: 232.89 GiB
ID-2: /dev/sdb type: USB vendor: Samsung model: Portable SSD T5
size: 232.89 GiB
ID-3: /dev/sdc type: USB vendor: SanDisk model: Ultra size: 57.30 GiB
Partition:
ID-1: / size: 36.41 GiB used: 12.45 GiB (34.2%) fs: ext4 dev: /dev/sda1
ID-2: /home size: 184.23 GiB used: 66.59 GiB (36.1%) fs: ext4
dev: /dev/sda6
ID-3: swap-1 size: 7.45 GiB used: 0 KiB (0.0%) fs: swap dev: /dev/sda5
Sensors:
System Temperatures: cpu: 41.0 C mobo: N/A
Fan Speeds (RPM): N/A
Info:
Processes: 260 Uptime: 20m Memory: 7.23 GiB used: 3.97 GiB (54.9%)
Shell: bash inxi: 3.0.38
edit:
sudo lshw -C network
[sudo] Passwort für marco:
*-network
Beschreibung: Ethernet interface
Produkt: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
Hersteller: Realtek Semiconductor Co., Ltd.
Physische ID: 0
Bus-Informationen: pci@0000:02:00.0
Logischer Name: enp2s0
Version: 0c
Seriennummer: d8:cb:8a:e8:e9:99
Größe: 1Gbit/s
Kapazität: 1Gbit/s
Breite: 64 bits
Takt: 33MHz
Fähigkeiten: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
Konfiguration: autonegotiation=on broadcast=yes driver=r8169 duplex=full firmware=rtl8168g-2_0.0.1 02/06/13 ip=192.168.178.23 latency=0 link=yes multicast=yes port=MII speed=1Gbit/s
Ressourcen: irq:18 ioport:e000(Größe=256) memory:f7d00000-f7d00fff memory:f0000000-f0003fff
ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: enp2s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1492 qdisc fq_codel state UP group default qlen 1000
link/ether d8:cb:8a:e8:e9:99 brd ff:ff:ff:ff:ff:ff
inet 192.168.178.23/24 brd 192.168.178.255 scope global dynamic noprefixroute enp2s0
valid_lft 862605sec preferred_lft 862605sec
@tracepath
tracepath www.google.com
1?: [LOCALHOST] pmtu 1492
1: fritz.box 7.938ms
1: wpad.fritz.box 1.830ms
2: x4db53c5a.dyn.telefonica.de 2.639ms pmtu 1492
2: loopback1.0003.acln.02.fra.de.net.telefonica.de 14.828ms
3: bundle-ether30.0004.dbrx.02.fra.de.net.telefonica.de 16.144ms
4: bundle-ether1.0004.prrx.02.fra.de.net.telefonica.de 15.519ms
5: 72.14.213.76 16.803ms asymm 10
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Too many hops: pmtu 1492
Resume: pmtu 1492
systemd-resolve --status
Global
LLMNR setting: no
MulticastDNS setting: no
DNSOverTLS setting: no
DNSSEC setting: no
DNSSEC supported: no
DNS Domain: fritz.box
DNSSEC NTA: 10.in-addr.arpa
16.172.in-addr.arpa
168.192.in-addr.arpa
17.172.in-addr.arpa
18.172.in-addr.arpa
19.172.in-addr.arpa
20.172.in-addr.arpa
21.172.in-addr.arpa
22.172.in-addr.arpa
23.172.in-addr.arpa
24.172.in-addr.arpa
25.172.in-addr.arpa
26.172.in-addr.arpa
27.172.in-addr.arpa
28.172.in-addr.arpa
29.172.in-addr.arpa
30.172.in-addr.arpa
31.172.in-addr.arpa
corp
d.f.ip6.arpa
home
internal
intranet
lan
local
private
test
Link 2 (enp2s0)
Current Scopes: DNS
DefaultRoute setting: yes
LLMNR setting: yes
MulticastDNS setting: no
DNSOverTLS setting: no
DNSSEC setting: no
DNSSEC supported: no
Current DNS Server: 192.168.178.1
DNS Servers: 192.168.178.1
DNS Domain: ~.
fritz.box
lines 25-47/47 (END)
31.172.in-addr.arpa
corp
d.f.ip6.arpa
home
internal
intranet
lan
local
private
test
Link 2 (enp2s0)
Current Scopes: DNS
DefaultRoute setting: yes
LLMNR setting: yes
MulticastDNS setting: no
DNSOverTLS setting: no
DNSSEC setting: no
DNSSEC supported: no
Current DNS Server: 192.168.178.1
DNS Servers: 192.168.178.1
DNS Domain: ~.
fritz.box
~
ls -al /etc/resolv.conf
lrwxrwxrwx 1 root root 29 Sep 27 22:10 /etc/resolv.conf -> ../run/resolvconf/resolv.conf
cat /etc/resolv.conf
# Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)
# DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
# 127.0.0.53 is the systemd-resolved stub resolver.
# run "systemd-resolve --status" to see details about the actual nameservers.
nameserver 127.0.0.53
search fritz.box
dpkg -l *dnsmasq* | grep ii
ii dnsmasq-base 2.80-1.1ubuntu1 amd64 Small caching DNS proxy and DHCP/TFTP server
