opgavebygger.dk DNS records

🖥️ Nameservers4 records 25ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.stil.dk	195.231.240.53 2a10:cf80:1000:0:195:231:240:53	ns01.stil.dk ns01.stil.dk	AS3240 Styrelsen for it og laering AS3240 Styrelsen for it og laering
ns02.stil.dk	195.231.128.53 2a10:cf80:2000:0:195:231:128:53	ns02.stil.dk ns02.stil.dk	AS3240 Styrelsen for it og laering AS3240 Styrelsen for it og laering
ns03.stil.dk	195.231.236.53 2a10:cf80:1000:0:195:231:236:53	ns03.stil.dk ns03.stil.dk	AS3240 Styrelsen for it og laering AS3240 Styrelsen for it og laering
ns04.stil.dk	195.231.129.53 2a10:cf80:2000:0:195:231:129:53	ns04.stil.dk ns04.stil.dk	AS3240 Styrelsen for it og laering AS3240 Styrelsen for it og laering

🌍 A Records1 records 24ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.231.237.139	300s	—	AS3240	Styrelsen for it og laering	195.231.224.0/19	🇩🇰 Denmark	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 90ms

TXT Record
v=spf1 include:spf1.stil.dk ~all

✉️ SPF

Policy	Record (opgavebygger.dk)
~all (soft fail)	v=spf1 include:spf1.stil.dk ~all

📨 DMARC

Policy	Record (_dmarc.opgavebygger.dk)
p=reject	v=DMARC1; p=reject; sp=reject; rua=mailto:tcod1eh2@ag.eu.dmarcadvisor.com;

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records3 records 18ms

Flags	Tag	Value
0	iodef	mailto:netdrift@stil.dk
0	issue	letsencrypt.org;accounturi=https://acme-v02.api.letsencrypt.org/acme/acct/119135076
0	issuewild	letsencrypt.org;validationmethods=dns-01;accounturi=https://acme-v02.api.letsencrypt.org/acme/acct/119135076

🔗 TLSA / DANE

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

🔐 DNSSEC96ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082701
Primary NS (MNAME)	ns01.stil.dk
Responsible (RNAME)	netdrift@stil.dk
Refresh	900s
Retry	300s
Expire	3600000s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

25ms

A

24ms

MX

33ms

AAAA

25ms

TXT

90ms

CAA

18ms

HTTPS

29ms

TLSA

16033ms

SOA

0ms

MTA-STS

34ms

DNSSEC

96ms

SRV

38ms

Total

16419ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 18:03:00	16419ms	4 NS 1 A 0 MX	🔒 Secure	View
2026-08-25 14:53:31	4490ms	4 NS 1 A 0 MX	🔒 Secure	View
2026-08-25 07:51:14	17378ms	4 NS 1 A 0 MX	🔒 Secure	View
2026-08-21 07:08:03	7530ms	4 NS 1 A 0 MX	🔒 Secure	View
2026-08-20 06:54:59	4749ms	4 NS 1 A 0 MX	🔒 Secure	View
2026-08-13 14:29:14	4707ms	4 NS 1 A 0 MX	🔒 Secure	View
2026-08-11 12:05:18	6422ms	4 NS 1 A 0 MX	🔒 Secure	View
2026-08-08 00:34:17	7072ms	4 NS 1 A 0 MX	🔒 Secure	View
2026-07-31 23:37:16	4995ms	4 NS 1 A 0 MX	🔒 Secure	View
2026-07-23 13:59:54	16804ms	4 NS 1 A 0 MX	🔒 Secure	View
2026-07-16 16:02:47	4651ms	4 NS 1 A 0 MX	🔒 Secure	View
2026-07-09 03:09:11	17803ms	4 NS 1 A 0 MX	🔒 Secure	View
2026-07-03 11:05:35	8081ms	4 NS 1 A 0 MX	🔒 Secure	View
2026-06-27 10:34:10	4771ms	4 NS 1 A 0 MX	🔒 Secure	View
2026-06-25 13:12:11	4577ms	4 NS 1 A 0 MX	🔒 Secure	View
2026-06-19 12:55:29	4754ms	4 NS 1 A 0 MX	🔒 Secure	View
2026-06-19 11:43:59	12557ms	4 NS 1 A 0 MX	🔒 Secure	View
2026-06-17 14:44:42	4777ms	4 NS 1 A 0 MX	🔒 Secure	View