handelsgymnasietslagelse.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 26ms

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)

🔐 DNSSEC98ms

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

🏷️ SOA0ms

Field	Value
Serial	2019012542
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

26ms

MX

26ms

AAAA

23ms

TXT

81ms

CAA

28ms

HTTPS

26ms

TLSA

33ms

SOA

0ms

MTA-STS

43ms

DNSSEC

98ms

SRV

37ms

Total

417ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 14:48:08	417ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-08-25 13:59:31	1619ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-08-24 13:23:01	4454ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-08-19 07:22:34	4832ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-08-18 06:42:11	3806ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-08-14 06:15:45	5930ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-08-09 12:30:32	2490ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-08-02 06:39:55	3668ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-07-26 20:07:58	4559ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-07-23 17:28:09	13448ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-07-22 16:56:40	2405ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-07-21 01:36:22	6396ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-07-16 11:50:22	2424ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-07-14 21:12:48	787ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-07-10 22:47:29	8600ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-07-05 21:23:10	507ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-07-04 19:33:33	786ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-06-29 01:22:29	455ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-06-27 15:20:30	497ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-06-26 01:38:55	437ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-06-21 09:07:48	363ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-06-21 08:16:52	797ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-06-21 00:38:45	1136ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 02:24:08	1646ms	3 NS 2 A 0 MX	🔒 Secure	View
2026-06-17 10:47:50	560ms	3 NS 2 A 0 MX	🔒 Secure	View