sangkurser.dk DNS records

🖥️ Nameservers2 records 46ms

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 Records1 records 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.127	600s	webforward.webpod16-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records7 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	43200s	aspmx.l.google.com	2a00:1450:4010:c01::1b 2a00:1450:4010:c01::1b 74.125.205.27	lh-in-f27.1e100.net lh-in-x1b.1e100.net le-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	43200s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	43200s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1b	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx2.googlemail.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx3.googlemail.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1b	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx4.googlemail.com	172.253.158.26 2404:6800:4003:c26::1b	so-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx5.googlemail.com	108.177.125.26 2404:6800:4008:c01::1a	tp-in-f26.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	d3ht02ildg823z.cloudfront.net → 18.173.1.46
🔶 Autoconfig	d3ht02ildg823z.cloudfront.net → 18.173.1.46

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records5 records 86ms

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

📝 TXT Records4 records 166ms

TXT Record
google-site-verification=-_amwweV2A0Y5bZN5qLD_EEv6oFEoRKK8xwTBjYA-k4
google-site-verification=l87FR7l0MZb9zREXaoBJ2SnvMXxRoguyess4jYuEPfU
google-site-verification=s12hBbGnOkGk6NHP33J115LNjpGRquj-MT-BScmXo8Y
google-site-verification=z8yDGr0yjmKB_5mfl9ExMWeY2RGBxWARVmKMhLRwPv4

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 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

Type	Name	Value
CNAME	_acme-challenge.sangkurser.dk	d3ht02ildg823z.cloudfront.net

🔗 TLSA / DANE

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

🔐 DNSSEC99ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2026032501
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

46ms

A

36ms

MX

44ms

AAAA

38ms

TXT

166ms

CAA

41ms

HTTPS

45ms

TLSA

94ms

SOA

0ms

MTA-STS

94ms

DNSSEC

99ms

SRV

86ms

Total

956ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 10:27:07	956ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-06-27 15:08:13	906ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-06-24 23:48:09	915ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-06-20 10:18:22	3520ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-06-20 00:21:16	810ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-06-18 03:05:00	1041ms	2 NS 1 A 7 MX	🔒 Secure	View