erhvervsgymnasium.dk DNS records

🖥️ Nameservers2 records 111ms

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 147ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.19.134.40	3600s	—	AS199374	Syddansk Erhvervsskole Odense-Vejle	185.19.132.0/22	🇩🇰 Denmark	Odense

📧 MX Records1 records 123ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
100	3600s	mxnonexistent.erhvervsgymnasium.dk	—	—	—

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 439ms

TXT Record
v=spf1 -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.erhvervsgymnasium.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)

🔐 DNSSEC408ms

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

🏷️ SOA0ms

Field	Value
Serial	2020051784
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

111ms

A

147ms

MX

123ms

AAAA

162ms

TXT

439ms

CAA

108ms

HTTPS

69ms

TLSA

220ms

SOA

0ms

MTA-STS

245ms

DNSSEC

408ms

SRV

208ms

Total

3972ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 04:56:55	3972ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 12:57:25	537ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-22 00:28:58	589ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-21 00:15:58	631ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-15 06:34:21	2430ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-14 02:19:11	2223ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-09 13:18:11	1280ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-05 18:35:06	3595ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-29 19:54:44	9453ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-27 05:17:26	3628ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-24 03:43:06	889ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-18 11:51:10	1418ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-17 07:52:02	938ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-10 15:41:39	547ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-08 12:26:42	848ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 11:34:59	6113ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 14:05:15	493ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 16:26:29	438ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 18:06:02	717ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 15:26:24	1181ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 19:00:20	890ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 08:05:28	627ms	2 NS 1 A 1 MX	🔒 Secure	View