michaelcordt.dk

📜 Historical scan 2026-08-14 13:48:38 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

michaelcordt.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 20 November 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 more. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. 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 245ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

🌍

No A records found

📧 MX Records#

7 records 238ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	43200s	aspmx.l.google.com	142.251.127.27 2a00:1450:4001:c21::1a	lcfrai-in-f27.1e100.net lcfrai-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	43200s	alt1.aspmx.l.google.com	142.250.147.27 2a00:1450:4013:c1e::1b	rd-in-f27.1e100.net yugrqzs-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	43200s	alt2.aspmx.l.google.com	172.253.152.26 2a00:1450:4001:c21::1b	yulpptr-in-f26.1e100.net lcfrai-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx2.googlemail.com	192.178.213.27 2a00:1450:4013:c1e::1b	yugrqzs-in-f27.1e100.net yugrqzs-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx3.googlemail.com	172.253.152.27 2a00:1450:4010:c22::1a	yulpptr-in-f27.1e100.net yulpptr-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx4.googlemail.com	192.178.211.27 2404:6800:4000:1025::1b	lcbomp-in-f27.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx5.googlemail.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	michaelcordt.dk
🔶 Autoconfig	michaelcordt.dk

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

5 records 278ms

Service	Port	Target
_xmpp-server._tcp	5269	xmpp-server1.l.google.com
_xmpp-server._tcp	5269	xmpp-server.l.google.com
_xmpp-server._tcp	5269	xmpp-server3.l.google.com
_xmpp-server._tcp	5269	xmpp-server4.l.google.com
_xmpp-server._tcp	5269	xmpp-server2.l.google.com

📝 TXT Records#

2 records 563ms

TXT Record
google-site-verification=KcJwy6ruzTIkKtDreojtFH-m4d4xu31JFl5FRAHK9mc
v=spf1 include:aspmx.googlemail.com -all

✉️ SPF#

Policy	Record (michaelcordt.dk)
-all (hard fail)	v=spf1 include:aspmx.googlemail.com -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-22 06:54:01

www CNAME	michaelcordt.dk (all on michaelcordt.dk)
www vs bare domain	Neither resolves michaelcordt.dk: no address www.michaelcordt.dk: no address
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.michaelcordt.dk	michaelcordt.dk

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

393ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

0ms

Field	Value
Serial	2026081301
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-22 07:04:16

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2012-11-20
Expires	2026-11-30 (37d)

🔗 Same registrant#

1 domain

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).

Domain	Registrar
severincordt.dk	DANDOMAIN A/S

📋 WHOIS#

⏱️ Lookup Timing#

245ms

234ms

238ms

AAAA

236ms

TXT

563ms

CAA

246ms

HTTPS

220ms

TLSA

419ms

SOA

0ms

MTA-STS

300ms

DNSSEC

393ms

SRV

278ms

Total

6437ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-22 06:54:00	959ms	2 NS 0 A 7 MX	🔒 Secure
2026-10-21 00:27:51	1230ms	2 NS 0 A 7 MX	🔒 Secure
2026-10-15 07:28:27	1818ms	2 NS 0 A 7 MX	🔒 Secure
2026-09-30 14:31:44	644ms	2 NS 0 A 7 MX	🔒 Secure
2026-09-14 15:31:13	2422ms	2 NS 0 A 7 MX	🔒 Secure
2026-08-14 13:48:38 shown	6437ms	2 NS 0 A 7 MX	🔒 Secure
2026-07-20 08:07:13	5542ms	2 NS 0 A 7 MX	🔒 Secure
2026-07-16 22:11:15	3317ms	2 NS 0 A 7 MX	🔒 Secure
2026-06-28 01:25:54	785ms	2 NS 0 A 7 MX	🔒 Secure
2026-06-26 06:58:42	1762ms	2 NS 0 A 7 MX	🔒 Secure
2026-06-22 22:24:51	739ms	2 NS 0 A 7 MX	🔒 Secure
2026-06-22 00:18:15	711ms	2 NS 0 A 7 MX	🔒 Secure
2026-06-17 14:35:05	2928ms	2 NS 0 A 7 MX	🔒 Secure