opgaveforsvar.dk DNS records

🖥️ Nameservers2 records 77ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records1 records 80ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
216.198.79.1	3600s	—	AS16509	Amazon.com, Inc.	216.198.79.0/24	🇺🇸 United States	—

📧 MX Records1 records 90ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	smtp.google.com	142.250.150.26 142.250.150.27 142.251.1.26 142.251.1.27 172.253.152.27 2a00:1450:4010:c1c::1a 2a00:1450:4010:c1c::1b 2a00:1450:4010:c1e::1a 2a00:1450:4010:c22::1a	la-in-f26.1e100.net la-in-f27.1e100.net lb-in-f26.1e100.net lb-in-f27.1e100.net yulpptr-in-f27.1e100.net la-in-f26.1e100.net la-in-f27.1e100.net lb-in-f26.1e100.net yulpptr-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	212.237.249.17
🔶 Autoconfig	212.237.249.17

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 215ms

TXT Record
google-site-verification=ZDDp2mkbkeiNK531ry5bJH6Fv91ryrmlWiSKFeiy3iI
v=spf1 include:_spf.google.com ~all

✉️ SPF

Policy	Record (opgaveforsvar.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~all

📨 DMARC

Policy	Record (_dmarc.opgaveforsvar.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:njal@opgaveforsvar.dk

📬 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

🔗 TLSA / DANE

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

🔐 DNSSEC129ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082601
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

77ms

A

80ms

MX

90ms

AAAA

76ms

TXT

215ms

CAA

102ms

HTTPS

106ms

TLSA

57ms

SOA

0ms

MTA-STS

107ms

DNSSEC

129ms

SRV

108ms

Total

669ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 10:26:00	669ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 23:02:57	1056ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-19 07:35:10	3308ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-12 07:51:38	500ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-08 14:01:27	723ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-07 01:36:55	904ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-05 18:35:05	14058ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-04 14:46:32	689ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-02 23:43:10	512ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-06-23 23:45:32	344ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 18:28:40	798ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 08:42:24	620ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 07:05:08	2333ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 05:18:41	510ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 03:50:51	617ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 22:27:40	1019ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 17:09:42	2197ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 08:34:58	2702ms	0 NS 0 A 0 MX	❓ Unknown	View