business-college.dk DNS records

🖥️ Nameservers2 records 28ms

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 25ms

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 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
100	3600s	mxnonexistent.business-college.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	detgroennegymnasium.dk xn--detgrnnegymnasium-40b.dk campussoenderborg.dk campussonderborg.dk businessepx.dk epxsoenderborg.dk epxsonderborg.dk teambuilldingsyd.dk xn--epxsnderborg-yjb.dk xn--campussnderborg-cub.dk lup.bcsyd.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 153ms

TXT Record
v=spf1 -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.business-college.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)

🔐 DNSSEC95ms

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

28ms

A

25ms

MX

32ms

AAAA

29ms

TXT

153ms

CAA

23ms

HTTPS

27ms

TLSA

72ms

SOA

0ms

MTA-STS

47ms

DNSSEC

95ms

SRV

51ms

Total

555ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-04 07:05:28	555ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-31 15:08:43	1841ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 11:59:41	9590ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-22 10:44:30	1369ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-21 10:31:51	1215ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-15 11:50:38	2548ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-13 21:10:29	2322ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-09 15:50:37	836ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-06 07:40:04	881ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-29 21:15:36	661ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-27 09:21:22	1108ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-24 08:19:20	1267ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-18 19:23:52	1410ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-12 13:59:46	8971ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-11 06:13:29	1474ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-08 20:28:33	1878ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 08:08:56	848ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-30 23:09:06	758ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 21:02:23	1002ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 17:50:28	879ms	2 NS 1 A 1 MX	🔒 Secure	View