businesscollegesyd.dk DNS records

🖥️ Nameservers2 records 27ms

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 26ms

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 31ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
100	3600s	mxnonexistent.businesscollegesyd.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	businessepx.dk xn--detgrnnegymnasium-40b.dk detgroennegymnasium.dk epxsoenderborg.dk epxsonderborg.dk teambuilldingsyd.dk xn--epxsnderborg-yjb.dk xn--campussnderborg-cub.dk lup.bcsyd.dk campussoenderborg.dk campussonderborg.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 147ms

TXT Record
v=spf1 -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.businesscollegesyd.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)

🔐 DNSSEC94ms

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

27ms

A

26ms

MX

31ms

AAAA

32ms

TXT

147ms

CAA

34ms

HTTPS

33ms

TLSA

48ms

SOA

0ms

MTA-STS

43ms

DNSSEC

94ms

SRV

49ms

Total

521ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 05:08:47	521ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 14:27:15	587ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-22 01:42:49	3878ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-21 01:33:38	9334ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-15 14:52:04	3540ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-13 04:35:28	2973ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-09 13:09:52	1714ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-07 05:23:16	3273ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-30 20:14:25	3553ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-26 19:56:18	9037ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-23 14:15:49	1152ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-18 23:08:26	1173ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-17 20:50:15	2523ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-14 19:16:13	733ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-10 19:39:45	1471ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-06 23:43:09	25001ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 13:08:04	629ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-01 09:31:53	2780ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 14:29:40	501ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 10:09:30	10782ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 11:06:56	1144ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 17:50:53	820ms	2 NS 1 A 1 MX	🔒 Secure	View