michaelcordt.dk
Last scanned: 2026-08-14 13:48:38  ·  6437ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   245ms
NameserverIP addressesPTRASN / 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 Records7 records   238ms
PriorityTTLMail ServerIP addressesPTRASN
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
ServiceCNAME / IP
🔷 Autodiscovermichaelcordt.dk
🔶 Autoconfigmichaelcordt.dk
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records5 records   278ms
ServicePriorityWeightPortTarget
_xmpp-server._tcp 0 0 5269 xmpp-server1.l.google.com
_xmpp-server._tcp 0 0 5269 xmpp-server.l.google.com
_xmpp-server._tcp 0 0 5269 xmpp-server3.l.google.com
_xmpp-server._tcp 0 0 5269 xmpp-server4.l.google.com
_xmpp-server._tcp 0 0 5269 xmpp-server2.l.google.com
📝 TXT Records2 records   563ms
TXT Record
google-site-verification=KcJwy6ruzTIkKtDreojtFH-m4d4xu31JFl5FRAHK9mc
v=spf1 include:aspmx.googlemail.com -all
✉️ SPF
PolicyRecord (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
🔏 ACME Challenge
TypeNameValue
CNAME _acme-challenge.michaelcordt.dk michaelcordt.dk
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC393ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2026081301
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
245ms
A
234ms
MX
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 AtDurationRecordsDNSSEC
2026-08-14 13:48:38 6437ms 2 NS 0 A 7 MX 🔒 Secure View
2026-07-20 08:07:13 5542ms 2 NS 0 A 7 MX 🔒 Secure View
2026-07-16 22:11:15 3317ms 2 NS 0 A 7 MX 🔒 Secure View
2026-06-28 01:25:54 785ms 2 NS 0 A 7 MX 🔒 Secure View
2026-06-26 06:58:42 1762ms 2 NS 0 A 7 MX 🔒 Secure View
2026-06-22 22:24:51 739ms 2 NS 0 A 7 MX 🔒 Secure View
2026-06-22 00:18:15 711ms 2 NS 0 A 7 MX 🔒 Secure View
2026-06-17 14:35:05 2928ms 2 NS 0 A 7 MX 🔒 Secure View
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