swer.dk - robtex.com

swer.dk

DNSSEC⚠️ Not signed
A2606:4700:3036::ac43:d5f9🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:17e0🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.23.224Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.213.249🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdonna.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a97🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdonna.ns.cloudflare.com
A2803:f800:50::6ca2:c097🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdonna.ns.cloudflare.com
A2a06:98c1:50::ac40:2097🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdonna.ns.cloudflare.com
A108.162.192.151🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdonna.ns.cloudflare.com
A172.64.32.151🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdonna.ns.cloudflare.com
A173.245.58.151🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdonna.ns.cloudflare.com
NSmerlin.ns.cloudflare.com
A2606:4700:58::adf5:3bcd🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmerlin.ns.cloudflare.com
A2803:f800:50::6ca2:c1cd🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmerlin.ns.cloudflare.com
A2a06:98c1:50::ac40:21cd🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmerlin.ns.cloudflare.com
A108.162.193.205🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmerlin.ns.cloudflare.com
A172.64.33.205🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmerlin.ns.cloudflare.com
A173.245.59.205🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmerlin.ns.cloudflare.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4023:c03::1a🇺🇸 Google2607:f8b0::/32
PTRdy-in-f26.1e100.net
A74.125.137.26🇺🇸 Google74.125.137.0/24
PTRdy-in-f26.1e100.net
MXalt1.aspmx.l.google.com(20)
A2607:f8b0:4023:2801::1b🇺🇸 Google2607:f8b0::/32
PTRlcausi-in-f27.1e100.net
A192.178.128.26🇺🇸 Google192.178.128.0/24
PTRlcausi-in-f26.1e100.net
MXalt2.aspmx.l.google.com(30)
A2a00:1450:400b:c02::1b🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f27.1e100.net
A172.253.116.26🇺🇸 Google172.253.116.0/24
PTRdj-in-f26.1e100.net
MXaspmx2.googlemail.com(40)
A2607:f8b0:4023:2801::1a🇺🇸 Google2607:f8b0::/32
PTRlcausi-in-f26.1e100.net
A192.178.128.26🇺🇸 Google192.178.128.0/24
PTRlcausi-in-f26.1e100.net
MXaspmx3.googlemail.com(50)
A2607:f8b0:4023:3003::1b🇺🇸 Google2607:f8b0::/32
PTRyulnkjt-in-f27.1e100.net
A172.253.145.27🇺🇸 Google172.253.145.0/24
PTRyulnkjt-in-f27.1e100.net
TXTgoogle-site-verification=wFrNUTsNJ5S9sYDjnW7lm-JqDkWzjJwImtv8HTSKrAI
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.23.224, 172.67.213.249
IPv6 hints2606:4700:3036::ac43:d5f9, 2606:4700:3037::6815:17e0
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=135, name=cloudflare-ech.com
SOAdonna.ns.cloudflare.comdns@cloudflare.com serial=2402117979

dk

DNSSEC🔒 Signed (DS record present)
NSb.nic.dk ⭐
NSc.nic.dk
NSh.nic.dk
NSl.nic.dk
NSs.nic.dk
NSt.nic.dk
TXTDK zone updateEpoch 1776943081localtime Thu Apr 23 13:18:01 2026gmtime Thu Ap...
SOAb.nic.dktech@punktum.dk serial=1776943081

Subdomains

mail.swer.dk

Same first word

swer.com
swer.net
swer.wpenginepowered.com
swer.cn
swer.de
swer.org
swer.ru
swer.dk
swer.pt
swer.com.au

Similar names

erws.com
wres.us
ewrs.com
serw.cz
wres.jp
esrw.ir
wres.eu
wrse.de
rwse.com
wers.org
serw.net
rews.ca
wers.nl
esrw.de
wers.us
rews.info
ewsr.org
wers.org.uk
erws.org
rews.de
wesr.de
wers.eu
eswr.com
resw.ru
rwes.com.au
wers.pl
rwes.com
serw.ddns.net
swre.com.br
sewr.ru
serw.co.uk
wsre.org
rsew.cn
ewrs.com.br
rsew.de
swre.com
serw.net.pl
resw.cn
serw.cn
wesr.net
wrse.org.uk
sewr.de
wers.de
srew.com
rews.us
erws.de
serw.us
srew.in
wres.de
wrse.com
esrw.info
erws.net
rwes.co.uk
wres.org
wser.com
wesr.com
serw.ru
resw.cz
ewsr.com
rews.org.mt
wres.nl
swre.co.nz
eswr.cn
wres.org.au
rwse.de
esrw.com
rswe.de
wers.com
wers.com.cn
wers.ru
rews.ru
resw.us
swre.net
wrse.cn
rews.org
wsre.net
wers.ie
rsew.com
wsre.de
wers.net
wers.me
wres.net
rwes.cn
sewr.com
srew.de
rews.eu
swre.org
serw.de
wres.com
serw.org
wrse.org
wsre.com
swre.info
wers.com.br
wser.de
rews.com
wers.info
rews.co
wers.cz
resw.de
wser.net
serw.eu
wser.org
resw.net

DNS History

18 records (11 active, 7 former)

20162017201820192020202120222023202420252026NSdonna.ns.cloudflare.commerlin.ns.cloudflare.comns1.gratisdns.dkns2.gratisdns.dkns3.gratisdns.dkns4.gratisdns.dkns5.gratisdns.dkMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comA104.21.23.224172.67.213.2492606:4700:3036::ac43:d5f92606:4700:3037::6815:17e052.169.164.21485.119.158.49
●NSdonna.ns.cloudflare.com2026-02-26 → 2026-04-23 · 3 obs
○ 2017-09-07 01:12:46
● 2026-02-26 15:07:08
● 2026-04-23 11:41:36
●NSmerlin.ns.cloudflare.com2026-02-26 → 2026-04-23 · 3 obs
○ 2017-09-07 01:12:46
● 2026-02-26 15:07:08
● 2026-04-23 11:41:36
○NSns1.gratisdns.dk2015-08-10 → 2017-09-07 · 4 obs
● 2015-08-10 19:45:34
● 2017-09-07 01:12:46
○ 2026-02-26 15:07:08
○ 2026-04-23 11:41:36
○NSns2.gratisdns.dk2015-08-10 → 2017-09-07 · 4 obs
● 2015-08-10 19:45:34
● 2017-09-07 01:12:46
○ 2026-02-26 15:07:08
○ 2026-04-23 11:41:36
○NSns3.gratisdns.dk2015-08-10 → 2017-09-07 · 4 obs
● 2015-08-10 19:45:34
● 2017-09-07 01:12:46
○ 2026-02-26 15:07:08
○ 2026-04-23 11:41:36
○NSns4.gratisdns.dk2015-08-10 → 2017-09-07 · 4 obs
● 2015-08-10 19:45:34
● 2017-09-07 01:12:46
○ 2026-02-26 15:07:08
○ 2026-04-23 11:41:36
○NSns5.gratisdns.dk2015-08-10 → 2017-09-07 · 4 obs
● 2015-08-10 19:45:34
● 2017-09-07 01:12:46
○ 2026-02-26 15:07:08
○ 2026-04-23 11:41:36
●MXalt1.aspmx.l.google.com2015-08-10 → 2026-04-23 · 2 obs
● 2015-08-10 19:45:34
● 2026-04-23 11:41:36
●MXalt2.aspmx.l.google.com2015-08-10 → 2026-04-23 · 2 obs
● 2015-08-10 19:45:34
● 2026-04-23 11:41:36
●MXaspmx.l.google.com2015-08-10 → 2026-04-23 · 2 obs
● 2015-08-10 19:45:34
● 2026-04-23 11:41:36
●MXaspmx2.googlemail.com2015-08-10 → 2026-04-23 · 2 obs
● 2015-08-10 19:45:34
● 2026-04-23 11:41:36
●MXaspmx3.googlemail.com2015-08-10 → 2026-04-23 · 2 obs
● 2015-08-10 19:45:34
● 2026-04-23 11:41:36
●A104.21.23.2242026-02-26 → 2026-04-23 · 3 obs
○ 2017-09-07 01:12:46
● 2026-02-26 15:07:08
● 2026-04-23 11:41:36
●A172.67.213.2492026-02-26 → 2026-04-23 · 3 obs
○ 2017-09-07 01:12:46
● 2026-02-26 15:07:08
● 2026-04-23 11:41:36
●A2606:4700:3036::ac43:d5f92026-02-26 → 2026-04-23 · 3 obs
○ 2017-09-07 01:12:46
● 2026-02-26 15:07:08
● 2026-04-23 11:41:36
●A2606:4700:3037::6815:17e02026-02-26 → 2026-04-23 · 3 obs
○ 2017-09-07 01:12:46
● 2026-02-26 15:07:08
● 2026-04-23 11:41:36
○A52.169.164.2142017-06-16 → 2017-09-07 · 5 obs
○ 2016-04-08 13:20:42
● 2017-06-16 23:40:18
● 2017-09-07 01:12:46
○ 2026-02-26 15:07:08
○ 2026-04-23 11:41:36
○A85.119.158.492015-08-10 → 2016-04-08 · 4 obs
● 2015-08-10 19:45:34
● 2016-04-08 13:20:42
○ 2017-06-16 23:40:18
○ 2026-04-23 11:41:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dkb.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk...12 records
swer.dkdonna.ns.cloudflare.com, merlin.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.193.205

NS records: donna.ns.cloudflare.com, merlin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for swer.dk (unsigned zone)

⏱️ Timing

Total: 1142ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.213.249, 104.21.23.224
AAAA22606:4700:3037::6815:17e0, 2606:4700:3036::ac43:d5f9
NS2donna.ns.cloudflare.com, merlin.ns.cloudflare.com
MX5aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 20)...
TXT1google-site-verification=wFrNUTsNJ5S9sYD
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1donna.ns.cloudflare.com dns.cloudflare.c

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (b.nic.dk, b.nic.dk, c.nic.dk...)

Analysis

Hierarchy

The parent of mail.swer.dk is swer.dk.

IP Addresses

swer.dk maps to four IP numbers: 2606:4700:3036::ac43:d5f9, 2606:4700:3037::6815:17e0, 104.21.23.224 and 172.67.213.249.

Other host names, for instance epicsavings.co.uk, hwwg.net, grupos-musicales.com.mx, visionaryvoyage.xyz and chronicleglobe.co.uk share IP numbers with swer.dk.

Name Servers

Two name servers donna.ns.cloudflare.com and merlin.ns.cloudflare.com handle delegation for swer.dk.

swer.dk uses the same name server setup as other domains, for example webifya.com, jasemian.dk, swet.dk, ownmalls.com and taregh.dk.

swer.dk partially shares name servers with other domains; examples include signsunlimitedfw.com, userwins.com, freshindianclips.com, i-love-english.ru and dgbths.com.

These name servers commonly accompany chan.ns.cloudflare.com, moura.ns.cloudflare.com, nash.ns.cloudflare.com and jose.ns.cloudflare.com.

Host names with six IP numbers: donna.ns.cloudflare.com points to: 2606:4700:50::adf5:3a97, 2803:f800:50::6ca2:c097, 2a06:98c1:50::ac40:2097, 108.162.192.151, 172.64.32.151 and 173.245.58.151; merlin.ns.cloudflare.com points to: 2606:4700:58::adf5:3bcd, 2803:f800:50::6ca2:c1cd, 2a06:98c1:50::ac40:21cd, 108.162.193.205, 172.64.33.205 and 173.245.59.205.

Mail Servers

Five mail servers handle swer.dk: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

swer.dk shares some mail servers with other domains, at least partially, such as snowcap.com, simpleselfconnection.com, ns500758.ns500758.ns500758.ns500758.ns500758.ns500759.ns500698.ns500698.ns500698.ns500735.ns500735.ns500708.ns500708.ns500686.ns500619.ns500619.ns500576.trackreceptor.com, ns500693.ns500699.ns500693.ns500699.ns500693.ns500693.ns500699.ns500588.ns500693.ns500588.ns500683.ns500632.ns500110.dtrkdll.com and ns500731.ns500742.ns500754.ns500671.ns500704.ns500671.ns500704.ns500705.ns500678.ns500291.ns500688.ns500291.ns500291.ns500153.tenderladiesbz.com.

These mail servers are often used with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Host names with two IP numbers

The host name aspmx2.googlemail.com points to 2607:f8b0:4023:2801::1a and 192.178.128.26

The host name aspmx3.googlemail.com points to 2607:f8b0:4023:3003::1b and 172.253.145.27

The host name aspmx.l.google.com points to 2607:f8b0:4023:c03::1a and 74.125.137.26

The host name alt1.aspmx.l.google.com points to 2607:f8b0:4023:2801::1b and 192.178.128.26

The host name alt2.aspmx.l.google.com points to 2a00:1450:400b:c02::1b and 172.253.116.26

Host names that point to 192.178.128.26 are aspmx2.googlemail.com and alt1.aspmx.l.google.com