erhvervscollege.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 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
198.202.211.1	3600s	—	AS209242	Cloudflare London, LLC	198.202.211.0/24	🇺🇸 United States	—

📧 MX Records1 records 27ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	erhvervscollege-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::6 2a01:111:f403:ca04::f 2a01:111:f403:ca09::d 52.101.103.140 52.101.209.153 52.101.68.8 52.101.73.4	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00406.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am0pr83cu00404.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.56

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 157ms

TXT Record
HSKHJEM
MS=ms41783381
v=spf1 ip4:185.19.134.5 include:spf.esis.dk -all

✉️ SPF

Policy	Record (erhvervscollege.dk)
-all (hard fail)	v=spf1 ip4:185.19.134.5 include:spf.esis.dk -all

📨 DMARC

Policy	Record (_dmarc.erhvervscollege.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)

🔐 DNSSEC100ms

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

🏷️ SOA0ms

Field	Value
Serial	153
Primary NS (MNAME)	ns1.esis.dk
Responsible (RNAME)	hostmaster
Refresh	900s
Retry	600s
Expire	86400s
Minimum (neg-cache TTL)	3600s

📋 RegistrationWHOIS fetched 2026-07-04 23:28:56

Field	Value
Registrar	A/S SCANNET
Registered	2025-07-31
Expires	2026-07-30 (expired)

📋 WHOIS

⏱️ Lookup Timing

NS

33ms

A

33ms

MX

27ms

AAAA

31ms

TXT

157ms

CAA

34ms

HTTPS

36ms

TLSA

1182ms

SOA

0ms

MTA-STS

44ms

DNSSEC

100ms

SRV

49ms

Total

1725ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 05:58:03	1725ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-28 04:33:55	1589ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 03:48:10	1604ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 03:46:04	1864ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-24 12:34:23	10288ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-19 23:03:02	8726ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-18 22:32:04	5932ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-15 15:20:29	3578ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-12 18:47:31	4211ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-08 12:28:07	2216ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-07 00:40:15	4444ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-29 20:29:17	2039ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-27 11:19:43	8835ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-25 10:26:56	1323ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-21 07:32:35	1309ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-17 02:14:09	1171ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-14 14:54:59	1510ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-11 22:26:23	4053ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-08 17:19:26	8887ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-04 23:27:14	2418ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 12:18:19	4181ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-29 09:07:36	1221ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 12:27:17	2671ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 23:46:20	1037ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 08:05:05	771ms	2 NS 1 A 1 MX	🔓 Insecure	View