handelskostskolen.dk DNS records

🖥️ Nameservers2 records 33ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.esis.dk	185.19.134.2	ns1.esis.dk	AS199374 Syddansk Erhvervsskole Odense-Vejle
ns2.esis.dk	185.19.134.3	ns2.esis.dk	AS199374 Syddansk Erhvervsskole Odense-Vejle

🌍 A Records1 records 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.19.134.87	3600s	businessepx.dk campussoenderborg.dk campussonderborg.dk detgroennegymnasium.dk epxsoenderborg.dk epxsonderborg.dk lup.bcsyd.dk teambuilldingsyd.dk xn--campussnderborg-cub.dk xn--detgrnnegymnasium-40b.dk xn--epxsnderborg-yjb.dk	AS199374	Syddansk Erhvervsskole Odense-Vejle	185.19.132.0/22	🇩🇰 Denmark	Odense

📧 MX Records1 records 30ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
100	3600s	mxnonexistent.handelskostskolen.dk	185.19.134.87 185.19.134.87 185.19.134.87 185.19.134.87 185.19.134.87 185.19.134.87 185.19.134.87 185.19.134.87 185.19.134.87 185.19.134.87 185.19.134.87	campussonderborg.dk businessepx.dk epxsoenderborg.dk epxsonderborg.dk teambuilldingsyd.dk xn--epxsnderborg-yjb.dk xn--campussnderborg-cub.dk lup.bcsyd.dk detgroennegymnasium.dk xn--detgrnnegymnasium-40b.dk campussoenderborg.dk	AS199374 Syddansk Erhvervsskole Odense-Vejle AS199374 Syddansk Erhvervsskole Odense-Vejle AS199374 Syddansk Erhvervsskole Odense-Vejle AS199374 Syddansk Erhvervsskole Odense-Vejle AS199374 Syddansk Erhvervsskole Odense-Vejle AS199374 Syddansk Erhvervsskole Odense-Vejle AS199374 Syddansk Erhvervsskole Odense-Vejle AS199374 Syddansk Erhvervsskole Odense-Vejle AS199374 Syddansk Erhvervsskole Odense-Vejle AS199374 Syddansk Erhvervsskole Odense-Vejle AS199374 Syddansk Erhvervsskole Odense-Vejle

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	185.19.134.87
🔶 Autoconfig	185.19.134.87

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 154ms

TXT Record
v=spf1 -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.handelskostskolen.dk)
p=reject	v=DMARC1; p=reject; sp=reject; adkim=r; aspf=r

📬 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)

🔐 DNSSEC92ms

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

🏷️ SOA0ms

Field	Value
Serial	2020051785
Primary NS (MNAME)	ns1.esis.dk
Responsible (RNAME)	hostmaster
Refresh	900s
Retry	600s
Expire	86400s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

33ms

A

35ms

MX

30ms

AAAA

32ms

TXT

154ms

CAA

22ms

HTTPS

36ms

TLSA

54ms

SOA

0ms

MTA-STS

39ms

DNSSEC

92ms

SRV

61ms

Total

537ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-04 07:47:00	537ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-30 21:52:44	1228ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 11:36:35	548ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-22 19:54:08	2643ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-20 19:28:21	674ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-15 09:19:23	3518ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-12 18:05:45	2073ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-10 08:06:21	2561ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-06 06:14:58	813ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-31 06:53:04	1362ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-27 03:41:53	962ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-24 02:28:26	2606ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-19 10:09:02	8636ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-18 06:50:19	1179ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-13 18:34:49	652ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-11 05:00:23	1161ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-07 01:08:15	1884ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-01 23:11:03	4463ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-30 19:23:14	2802ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 13:48:03	4850ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 10:40:14	4957ms	2 NS 1 A 1 MX	🔒 Secure	View