handelsgymnasietvordingborg.dk DNS records

🖥️ Nameservers3 records 25ms

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 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
162.159.140.127	3600s	—	AS13335	Cloudflare, Inc.	162.159.128.0/19	—	—
172.66.0.125	3600s	—	AS13335	Cloudflare, Inc.	172.66.0.0/22	—	—

📧 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 Records

📝

No TXT records found

✉️ 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

🔗 TLSA / DANE

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

🔐 DNSSEC97ms

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

🏷️ SOA0ms

Field	Value
Serial	2019012543
Primary NS (MNAME)	ns.efif.dk
Responsible (RNAME)	dns-zc@efif.dk
Refresh	14400s
Retry	3600s
Expire	2419200s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

25ms

A

32ms

MX

24ms

AAAA

38ms

TXT

77ms

CAA

23ms

HTTPS

33ms

TLSA

34ms

SOA

0ms

MTA-STS

33ms

DNSSEC

97ms

SRV

34ms

Total

363ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-03 23:11:35	363ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-09-01 18:41:56	512ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-08-31 19:49:33	451ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-08-25 01:35:03	2129ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-08-18 20:14:12	2311ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-08-12 16:25:51	8837ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-08-09 15:57:07	10493ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-08-08 04:53:56	18094ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-08-02 04:54:51	17996ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-07-27 06:52:12	2627ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-07-24 05:26:06	4596ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-07-23 04:56:49	2528ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-07-16 10:21:26	2082ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-07-12 04:37:34	8572ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-07-06 23:35:07	3056ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-07-04 07:48:23	3347ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-07-02 16:29:11	3905ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-06-27 08:29:47	465ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-06-24 19:12:18	467ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-06-23 07:32:01	833ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-06-22 00:16:30	1191ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 11:06:34	646ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-06-17 10:57:20	622ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-06-17 10:52:59	1814ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-06-17 10:52:46	857ms	3 NS 2 A 0 MX	🔒 Secure	View