aarhus-gymnasium.dk DNS records

🖥️ Nameservers3 records 131ms

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 73ms

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 373ms

TXT Record
SOA=1708684326
v=spf1 -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.aarhus-gymnasium.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)

🔐 DNSSEC232ms

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

🏷️ SOA0ms

Field	Value
Serial	2024092231
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

131ms

A

73ms

MX

107ms

AAAA

103ms

TXT

373ms

CAA

151ms

HTTPS

123ms

TLSA

114ms

SOA

0ms

MTA-STS

145ms

DNSSEC

232ms

SRV

148ms

Total

1063ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 00:15:14	1063ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-08-27 10:54:43	896ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-08-26 05:32:30	875ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-08-22 15:41:46	4412ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-08-20 15:20:26	5080ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-08-19 12:46:35	2090ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-08-14 09:25:20	2978ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-08-07 18:11:21	10129ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-08-05 05:11:41	520ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-07-29 08:02:59	744ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-07-22 01:32:00	9497ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-07-19 13:40:06	8798ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-07-17 08:13:23	4529ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-07-10 16:10:09	8596ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-07-08 11:04:58	620ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-07-03 15:42:30	13521ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-06-30 14:54:02	592ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-06-28 17:22:31	1376ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-06-26 03:18:59	607ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-06-20 17:29:37	915ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-06-19 11:43:46	775ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-06-19 02:09:12	690ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-06-18 09:39:01	4462ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-06-16 12:51:26	2952ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-06-16 12:51:25	3133ms	3 NS 2 A 0 MX	🔒 Secure	View