århusgymnasium.dk DNS records

🖥️ Nameservers3 records 97ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.efif.dk	195.254.168.23	ns.efif.dk	AS51073 Aarhus Business College
ns2.efif.dk	195.254.168.12	ns2.efif.dk	AS51073 Aarhus Business College
ns3.efif.dk	20.23.170.35	—	AS8075 Microsoft Corporation

🌍 A Records2 records 119ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
162.159.140.127	300s	—	AS13335	Cloudflare, Inc.	162.159.128.0/19	🇺🇸 United States	—
172.66.0.125	300s	—	AS13335	Cloudflare, Inc.	172.66.0.0/22	🇺🇸 United States	—

📧 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 Records2 records 230ms

TXT Record
SOA=1708684702
v=spf1 -all

✉️ SPF

Policy	Record (århusgymnasium.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC

Policy	Record (_dmarc.århusgymnasium.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:62b3331b5a414@dmarc.centerasecurity.com;

📬 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)

🔐 DNSSEC164ms

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

🏷️ SOA0ms

Field	Value
Serial	2024092227
Primary NS (MNAME)	ns.efif.dk
Responsible (RNAME)	dns-zc@efif.dk
Refresh	14400s
Retry	3600s
Expire	2419200s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

97ms

A

119ms

MX

115ms

AAAA

38ms

TXT

230ms

CAA

75ms

HTTPS

53ms

TLSA

47ms

SOA

0ms

MTA-STS

119ms

DNSSEC

164ms

SRV

119ms

Total

681ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 21:37:19	681ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-08-25 19:45:33	1467ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-08-23 14:52:11	4660ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-08-22 12:05:54	2461ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-08-20 11:18:35	2582ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-08-14 10:54:24	2970ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-08-09 09:37:12	2403ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-08-07 04:29:42	2555ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-08-02 19:29:58	3530ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-07-27 08:46:27	18707ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-07-23 02:58:24	4534ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-07-20 04:49:57	6501ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-07-18 19:17:08	12047ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-07-16 15:04:36	13096ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-07-11 05:33:30	815ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-07-06 01:33:50	489ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-07-02 12:25:07	2463ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-06-24 19:18:34	2883ms	3 NS 2 A 0 MX	⚠️ Bogus	View
2026-06-21 08:00:38	916ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 18:10:57	1025ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 05:26:19	578ms	3 NS 2 A 0 MX	🔒 Secure	View