mail.dagu.dk - robtex.com

mail.dagu.dk

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:5233🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::ac43:998f🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.82.51Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.153.143🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.82.51, 172.67.153.143
IPv6 hints2606:4700:3032::6815:5233, 2606:4700:3032::ac43:998f
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=141, name=cloudflare-ech.com

dagu.dk

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:5233🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::ac43:998f🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.82.51Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.153.143🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSaurora.ns.cloudflare.com ⭐
NSmiguel.ns.cloudflare.com
MXmail.tutanota.de ⭐
TXTt-verify=cfc988d42c3330686afc5ab147584b37
TXTv=spf1 include:spf.tutanota.de -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.82.51, 172.67.153.143
IPv6 hints2606:4700:3032::6815:5233, 2606:4700:3032::ac43:998f
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=141, name=cloudflare-ech.com
SOAaurora.ns.cloudflare.comdns@cloudflare.com serial=2398323635
WOT: SAFE (62/100)
WOT: SAFE (68/100)

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DNS History

9 records (4 active, 5 former)

201020122014201620182020202220242026NSp1.internetbolaget.sep2.internetbolaget.seA104.21.82.51172.67.153.1432606:4700:3032::6815:52332606:4700:3032::ac43:998f::ffff:6ca6:75f0108.166.117.240195.182.205.138
○NSp1.internetbolaget.se2015-07-10 → 2026-02-17 · 5 obs
○ 2009-01-06 09:43:34
● 2015-07-10 18:47:34
● 2026-02-17 00:11:46
○ 2026-04-24 17:31:20
○ 2026-04-25 18:58:34
○NSp2.internetbolaget.se2015-07-10 → 2026-02-17 · 5 obs
○ 2009-01-06 09:43:34
● 2015-07-10 18:47:34
● 2026-02-17 00:11:46
○ 2026-04-24 17:31:20
○ 2026-04-25 18:58:34
○A::ffff:6ca6:75f02015-07-10 → 2016-02-28 · 5 obs
○ 2009-01-06 09:43:34
● 2015-07-10 18:47:34
● 2016-02-28 09:40:20
○ 2016-09-24 04:23:42
○ 2026-04-25 18:58:34
●A104.21.82.512026-04-24 → 2026-04-25 · 3 obs
○ 2016-09-24 04:23:42
● 2026-04-24 17:31:20
● 2026-04-25 18:58:34
○A108.166.117.2402015-07-10 → 2016-02-28 · 5 obs
○ 2009-01-06 09:43:34
● 2015-07-10 18:47:34
● 2016-02-28 09:40:20
○ 2016-09-24 04:23:42
○ 2026-04-25 18:58:34
●A172.67.153.1432026-04-24 → 2026-04-25 · 3 obs
○ 2016-09-24 04:23:42
● 2026-04-24 17:31:20
● 2026-04-25 18:58:34
○A195.182.205.1382009-01-06 → 2009-01-06 · 3 obs
● 2009-01-06 09:43:34
○ 2015-07-10 18:47:34
○ 2026-04-25 18:58:34
●A2606:4700:3032::6815:52332026-04-24 → 2026-04-25 · 3 obs
○ 2016-09-24 04:23:42
● 2026-04-24 17:31:20
● 2026-04-25 18:58:34
●A2606:4700:3032::ac43:998f2026-04-24 → 2026-04-25 · 3 obs
○ 2016-09-24 04:23:42
● 2026-04-24 17:31:20
● 2026-04-25 18:58:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dkb.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk...-
dagu.dkaurora.ns.cloudflare.com, miguel.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.34.110

NS records: aurora.ns.cloudflare.com, miguel.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dagu.dk (unsigned zone)

⏱️ Timing

Total: 433ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.153.143, 104.21.82.51
AAAA22606:4700:3032::ac43:998f, 2606:4700:3032::6815:5233
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mail.dagu.dk points to four IP numbers: 2606:4700:3032::6815:5233, 2606:4700:3032::ac43:998f, 104.21.82.51 and 172.67.153.143.

Other host names, for instance danernst.com, fdcins.com, neoburner.co.uk, tri-ripped.com and playpen.edu.bd share IP numbers with mail.dagu.dk.