www.schack.dk - robtex.com

www.schack.dk

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:9539🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:1d89🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.29.137Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.149.57🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.29.137, 172.67.149.57
IPv6 hints2606:4700:3030::ac43:9539, 2606:4700:3034::6815:1d89
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=224, name=cloudflare-ech.com

schack.dk

DNSSEC🔒 Signed (DS record present)
A2606:4700:3030::ac43:9539🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:1d89🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.29.137Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.149.57🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSserena.ns.cloudflare.com ⭐
NStom.ns.cloudflare.com
MXmx1.smtp.goog ⭐
MXmx2.smtp.goog(20)
MXmx3.smtp.goog(30)
MXmx4.smtp.goog(40)
TXTmistral-domain-verification=fae9e90ae3703920e9421e8d2d9eaaf4d5a9b795
TXTopenai-domain-verification=dv-9gxiYiBXT7nBwtW2TCZ6XPkQ
TXTv=spf1 include:_spf.google.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.29.137, 172.67.149.57
IPv6 hints2606:4700:3030::ac43:9539, 2606:4700:3034::6815:1d89
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=224, name=cloudflare-ech.com
SOAserena.ns.cloudflare.comdns@cloudflare.com serial=2402291431
WOT: SAFE (60/100)
WOT: SAFE (60/100)

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DNS History

28 records (4 active, 24 former)

20162017201820192020202120222023202420252026NSns0.dnsmadeeasy.comns1.dnsmadeeasy.comns2.dnsmadeeasy.comns3.dnsmadeeasy.comns4.dnsmadeeasy.comserena.ns.cloudflare.comtom.ns.cloudflare.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comaspmx4.googlemail.comaspmx5.googlemail.comA104.21.29.137172.67.149.572606:4700:3030::ac43:95392606:4700:3034::6815:1d89104.31.90.155104.31.91.1552400:cb00:2048:1::681f:5a9b2400:cb00:2048:1::681f:5b9b52.32.215.22296.45.82.12796.45.82.19896.45.83.13796.45.83.67CNAMEschack.dk
○NSns0.dnsmadeeasy.com2015-11-26 → 2016-11-05 · 4 obs
● 2015-11-26 14:07:08
● 2016-11-05 04:26:08
○ 2017-05-29 08:44:32
○ 2026-04-28 06:20:40
○NSns1.dnsmadeeasy.com2015-11-26 → 2016-11-05 · 4 obs
● 2015-11-26 14:07:08
● 2016-11-05 04:26:08
○ 2017-05-29 08:44:32
○ 2026-04-28 06:20:40
○NSns2.dnsmadeeasy.com2015-11-26 → 2016-11-05 · 4 obs
● 2015-11-26 14:07:08
● 2016-11-05 04:26:08
○ 2017-05-29 08:44:32
○ 2026-04-28 06:20:40
○NSns3.dnsmadeeasy.com2015-11-26 → 2016-11-05 · 4 obs
● 2015-11-26 14:07:08
● 2016-11-05 04:26:08
○ 2017-05-29 08:44:32
○ 2026-04-28 06:20:40
○NSns4.dnsmadeeasy.com2015-11-26 → 2016-11-05 · 4 obs
● 2015-11-26 14:07:08
● 2016-11-05 04:26:08
○ 2017-05-29 08:44:32
○ 2026-04-28 06:20:40
○NSserena.ns.cloudflare.com2016-11-05 → 2016-11-05 · 4 obs
○ 2015-11-26 14:07:08
● 2016-11-05 04:26:08
○ 2017-05-29 08:44:32
○ 2026-04-28 06:20:40
○NStom.ns.cloudflare.com2016-11-05 → 2016-11-05 · 4 obs
○ 2015-11-26 14:07:08
● 2016-11-05 04:26:08
○ 2017-05-29 08:44:32
○ 2026-04-28 06:20:40
○MXalt1.aspmx.l.google.com2015-11-26 → 2016-11-05 · 4 obs
● 2015-11-26 14:07:08
● 2016-11-05 04:26:08
○ 2017-05-29 08:44:32
○ 2026-04-28 06:20:40
○MXalt2.aspmx.l.google.com2015-11-26 → 2016-11-05 · 4 obs
● 2015-11-26 14:07:08
● 2016-11-05 04:26:08
○ 2017-05-29 08:44:32
○ 2026-04-28 06:20:40
○MXaspmx.l.google.com2015-11-26 → 2016-11-05 · 4 obs
● 2015-11-26 14:07:08
● 2016-11-05 04:26:08
○ 2017-05-29 08:44:32
○ 2026-04-28 06:20:40
○MXaspmx2.googlemail.com2015-11-26 → 2016-11-05 · 4 obs
● 2015-11-26 14:07:08
● 2016-11-05 04:26:08
○ 2017-05-29 08:44:32
○ 2026-04-28 06:20:40
○MXaspmx3.googlemail.com2015-11-26 → 2016-11-05 · 4 obs
● 2015-11-26 14:07:08
● 2016-11-05 04:26:08
○ 2017-05-29 08:44:32
○ 2026-04-28 06:20:40
○MXaspmx4.googlemail.com2015-11-26 → 2016-11-05 · 4 obs
● 2015-11-26 14:07:08
● 2016-11-05 04:26:08
○ 2017-05-29 08:44:32
○ 2026-04-28 06:20:40
○MXaspmx5.googlemail.com2015-11-26 → 2016-11-05 · 4 obs
● 2015-11-26 14:07:08
● 2016-11-05 04:26:08
○ 2017-05-29 08:44:32
○ 2026-04-28 06:20:40
●A104.21.29.1372026-02-15 → 2026-04-28 · 3 obs
○ 2017-05-29 08:44:32
● 2026-02-15 05:11:56
● 2026-04-28 06:20:40
○A104.31.90.1552016-11-05 → 2017-05-29 · 5 obs
○ 2016-08-13 14:53:30
● 2016-11-05 04:26:08
● 2017-05-29 08:44:32
○ 2026-02-15 05:11:56
○ 2026-04-28 06:20:40
○A104.31.91.1552016-11-05 → 2017-05-29 · 5 obs
○ 2016-08-13 14:53:30
● 2016-11-05 04:26:08
● 2017-05-29 08:44:32
○ 2026-02-15 05:11:56
○ 2026-04-28 06:20:40
●A172.67.149.572026-02-15 → 2026-04-28 · 3 obs
○ 2017-05-29 08:44:32
● 2026-02-15 05:11:56
● 2026-04-28 06:20:40
○A2400:cb00:2048:1::681f:5a9b2016-11-05 → 2017-05-29 · 5 obs
○ 2016-08-13 14:53:30
● 2016-11-05 04:26:08
● 2017-05-29 08:44:32
○ 2026-02-15 05:11:56
○ 2026-04-28 06:20:40
○A2400:cb00:2048:1::681f:5b9b2016-11-05 → 2017-05-29 · 5 obs
○ 2016-08-13 14:53:30
● 2016-11-05 04:26:08
● 2017-05-29 08:44:32
○ 2026-02-15 05:11:56
○ 2026-04-28 06:20:40
●A2606:4700:3030::ac43:95392026-02-15 → 2026-04-28 · 3 obs
○ 2017-05-29 08:44:32
● 2026-02-15 05:11:56
● 2026-04-28 06:20:40
●A2606:4700:3034::6815:1d892026-02-15 → 2026-04-28 · 3 obs
○ 2017-05-29 08:44:32
● 2026-02-15 05:11:56
● 2026-04-28 06:20:40
○A52.32.215.2222016-02-25 → 2016-08-13 · 5 obs
○ 2015-11-26 14:07:08
● 2016-02-25 05:28:20
● 2016-08-13 14:53:30
○ 2016-11-05 04:26:08
○ 2026-04-28 06:20:40
○A96.45.82.1272015-08-10 → 2015-11-26 · 4 obs
● 2015-08-10 04:47:02
● 2015-11-26 14:07:08
○ 2016-02-25 05:28:20
○ 2026-04-28 06:20:40
○A96.45.82.1982015-08-10 → 2015-11-26 · 4 obs
● 2015-08-10 04:47:02
● 2015-11-26 14:07:08
○ 2016-02-25 05:28:20
○ 2026-04-28 06:20:40
○A96.45.83.1372015-08-10 → 2015-11-26 · 4 obs
● 2015-08-10 04:47:02
● 2015-11-26 14:07:08
○ 2016-02-25 05:28:20
○ 2026-04-28 06:20:40
○A96.45.83.672015-08-10 → 2015-11-26 · 4 obs
● 2015-08-10 04:47:02
● 2015-11-26 14:07:08
○ 2016-02-25 05:28:20
○ 2026-04-28 06:20:40
○CNAMEschack.dk2015-08-10 → 2016-11-05 · 4 obs
● 2015-08-10 04:47:02
● 2016-11-05 04:26:08
○ 2017-05-29 08:44:32
○ 2026-04-28 06:20:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dkc.nic.dk, t.nic.dk, b.nic.dk, s.nic.dk...12 records
schack.dktom.ns.cloudflare.com, serena.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.192.220

NS records: tom.ns.cloudflare.com, serena.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 844ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.29.137, 172.67.149.57
AAAA22606:4700:3030::ac43:9539, 2606:4700:3034::6815:1d89
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

www.schack.dk maps to four IP numbers: 2606:4700:3030::ac43:9539, 2606:4700:3034::6815:1d89, 104.21.29.137 and 172.67.149.57.

Other host names, for instance bloggerspages.com, fsxljx16888.com, gxydzy.com, tbdmkhqd.tattoo and fansrmcf.es share IP numbers with www.schack.dk.