studenterguiden.dk DNS records

🖥️ Nameservers5 records 35ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.studenterguiden.dk	18.184.117.135	dlc.dk	AS16509 Amazon.com, Inc.
ns1.anti-explorator.com	18.184.117.135	dlc.dk	AS16509 Amazon.com, Inc.
ns1.studenterguiden.dk	18.184.117.135	dlc.dk	AS16509 Amazon.com, Inc.
ns2.anti-explorator.com	18.184.117.135	dlc.dk	AS16509 Amazon.com, Inc.
ns2.studenterguiden.dk	18.184.117.135	dlc.dk	AS16509 Amazon.com, Inc.

🌍 A Records1 records 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
18.184.117.135	86400s	dlc.dk	AS16509	Amazon.com, Inc.	18.176.0.0/12	🇩🇪 Germany	Frankfurt am Main

📧 MX Records1 records 30ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	86400s	mail.studenterguiden.dk	18.184.117.135	dlc.dk	AS16509 Amazon.com, Inc.

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 59ms

Service	Priority	Weight	Port	Target
_imaps._tcp	0	0	993	studenterguiden.dk

📝 TXT Records2 records 254ms

TXT Record
GOOGLE-SITE-VERIFICATION=BO8kJpMrK0khy2_JsOD1MFJ3GJCJXykcQnQuJ69OVR4
v=spf1 +a +mx +a:plesk.dlc.dk include:amazonses.com include:_spf.elasticemail.com ~all

✉️ SPF

Policy	Record (studenterguiden.dk)
~all (soft fail)	v=spf1 +a +mx +a:plesk.dlc.dk include:amazonses.com include:_spf.elasticemail.com ~all

📨 DMARC

Policy	Record (_dmarc.studenterguiden.dk)
p=none (monitor only)	v=DMARC1; p=none

📬 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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.studenterguiden.dk	0CrvlHwrQ3nbwx4EjT1Q-cpMoYkOD7-eDVsbQa9hBVg

🔗 TLSA / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC117ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2023082801
Primary NS (MNAME)	ns1.studenterguiden.dk
Responsible (RNAME)	tran@pham.ceresolutions.com
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	10800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

35ms

A

41ms

MX

30ms

AAAA

34ms

TXT

254ms

CAA

32ms

HTTPS

28ms

TLSA

90ms

SOA

0ms

MTA-STS

51ms

DNSSEC

117ms

SRV

59ms

Total

3599ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 11:17:04	3599ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-08-24 16:39:13	3185ms	5 NS 1 A 1 MX	❓ Unknown	View
2026-08-23 14:40:14	3155ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-08-22 13:20:29	6339ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-08-21 13:09:35	1304ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-08-20 12:18:54	4056ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-08-19 06:27:36	3445ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-07-28 05:28:10	12339ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-07-27 05:07:50	3685ms	5 NS 1 A 1 MX	❓ Unknown	View
2026-07-26 04:33:30	11844ms	5 NS 1 A 1 MX	❓ Unknown	View
2026-07-25 04:12:28	9908ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-07-22 21:49:40	12513ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-07-21 19:28:50	3713ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-07-10 15:15:23	3410ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-07-09 01:10:18	4422ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-06-30 02:07:02	3142ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 21:35:17	801ms	5 NS 1 A 1 MX	🔓 Insecure	View