madssigurd.dk

📜 Historical scan 2026-06-23 15:51:02  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

madssigurd.dk is a .dk domain served by 2 nameservers (aria.ns.cloudflare.com, odin.ns.cloudflare.com). It was registered on 30 April 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.16.248 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   207ms
NameserverIP addressesPTRASN / ISP
aria.ns.cloudflare.com 108.162.192.68
172.64.32.68
173.245.58.68
2606:4700:50::adf5:3a44
2803:f800:50::6ca2:c044
2a06:98c1:50::ac40:2044		 aria.ns.cloudflare.com
aria.ns.cloudflare.com
aria.ns.cloudflare.com
aria.ns.cloudflare.com
aria.ns.cloudflare.com
aria.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
odin.ns.cloudflare.com 108.162.195.208
162.159.44.208
172.64.35.208
2606:4700:58::a29f:2cd0
2803:f800:50::6ca2:c3d0
2a06:98c1:50::ac40:23d0		 odin.ns.cloudflare.com
odin.ns.cloudflare.com
odin.ns.cloudflare.com
odin.ns.cloudflare.com
odin.ns.cloudflare.com
odin.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.

🌍 A Records#

2 records   203ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.16.248 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.217.85 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

2 records   225ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mail.protonmail.ch 176.119.200.128
185.205.70.128
185.70.42.128		 mail.protonmail.ch
mail.protonmail.ch
mail.protonmail.ch		 AS62371 Proton AG
AS62371 Proton AG
AS62371 Proton AG
20 300s mailsec.protonmail.ch 176.119.200.129
185.205.70.129
185.70.42.129		 mailsec.protonmail.ch
mailsec.protonmail.ch
mailsec.protonmail.ch		 AS62371 Proton AG
AS62371 Proton AG
AS62371 Proton AG

🔷 AAAA Records (IPv6)#

2 records   211ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3030::ac43:d955 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3033::6815:10f8 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   199ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.16.248,172.67.217.85 ech=AEX+DQBB6AAgACCF7cJGVm9M1rzxOsNktLRhwAXKX/4cae2j3utvCATNHQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:d955,2606:4700:3033::6815:10f8

📝 TXT Records#

2 records   383ms
TXT Record
protonmail-verification=455ca077b669a2c0efd1cc07f623cf62ed31bf0a
v=spf1 include:_spf.protonmail.ch ~all

✉️ SPF#

PolicyRecord (madssigurd.dk)
~all (soft fail) v=spf1 include:_spf.protonmail.ch ~all

📨 DMARC#

PolicyRecord (_dmarc.madssigurd.dk)
p=quarantine v=DMARC1; p=quarantine

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-20 19:49:44
wwwExists, no address
www vs bare domainwww does not resolve (all like this)
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

4 records   292ms
Service / OwnerTypeCert association
SMTP _25._tcp.mail.protonmail.ch DANE-EE · SPKI · SHA-256 76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mail.protonmail.ch DANE-EE · SPKI · SHA-256 6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch DANE-EE · SPKI · SHA-256 76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch DANE-EE · SPKI · SHA-256 6111A5698D23C89E09C36FF833C1487E…

🔐 DNSSEC#

285ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

232ms
FieldValue
Serial2407614925
Primary NS (MNAME)aria.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-20 20:31:40
FieldValue
RegistrarSimply.com A/S
Registered2026-04-30
Expires2027-04-29 (190d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet
📋 WHOIS#

⏱️ Lookup Timing#

NS
207ms
A
203ms
MX
225ms
AAAA
211ms
TXT
383ms
CAA
195ms
HTTPS
199ms
TLSA
292ms
SOA
232ms
MTA-STS
216ms
DNSSEC
285ms
SRV
217ms
Total
2439ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-20 19:49:44 530ms 2 NS 2 A 2 MX 🔒 Secure
2026-09-30 22:43:56 665ms 2 NS 2 A 2 MX 🔒 Secure
2026-09-29 01:38:39 780ms 2 NS 2 A 2 MX 🔒 Secure
2026-09-27 01:03:26 1208ms 2 NS 2 A 2 MX 🔒 Secure
2026-09-04 17:45:33 1196ms 2 NS 2 A 2 MX 🔒 Secure
2026-08-10 04:57:30 1635ms 2 NS 2 A 2 MX 🔒 Secure
2026-08-03 10:25:15 1559ms 2 NS 2 A 2 MX 🔒 Secure
2026-07-17 10:17:39 1352ms 2 NS 2 A 2 MX 🔒 Secure
2026-07-04 20:25:59 7002ms 2 NS 2 A 2 MX 🔒 Secure
2026-06-26 05:03:55 1126ms 2 NS 2 A 2 MX 🔒 Secure
2026-06-23 15:51:02 shown 2439ms 2 NS 2 A 2 MX 🔒 Secure
2026-06-23 12:53:26 958ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-17 15:27:13 1311ms 2 NS 2 A 2 MX 🔒 Secure
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