studenterguiden.dk

📜 Historical scan 2026-08-25 11:17:04  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

studenterguiden.dk is a .dk domain served by 5 nameservers (ns.studenterguiden.dk, ns1.anti-explorator.com, ns1.studenterguiden.dk and 2 more). It was registered on 6 September 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 18.184.117.135 is hosted by Amazon.com, Inc. (AS16509) in Germany. Mail is handled by mail.studenterguiden.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

5 records   35ms
NameserverIP addressesPTRASN / 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 Records#

1 records   41ms
IPTTLPTRASNISP / OrgCIDRCountryCity
18.184.117.135 86400s dlc.dk AS16509 Amazon.com, Inc. 18.176.0.0/12 🇩🇪 Germany Frankfurt am Main

📧 MX Records#

1 records   30ms
PriorityTTLMail ServerIP addressesPTRASN
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 Records#

1 records   59ms
ServicePriorityWeightPortTarget
_imaps._tcp 0 0 993 studenterguiden.dk

📝 TXT Records#

2 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#

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

📨 DMARC#

PolicyRecord (_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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-14 04:51:13
www94.231.109.54 (AS48854) (address records, no CNAME)
www vs bare domainSame network
studenterguiden.dk: 94.231.109.54 (AS48854)
www.studenterguiden.dk: 94.231.109.54 (AS48854)
WildcardNo
Denial of existenceNSEC zone can be walked (all names enumerable)
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 6/10 · policy: ~all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.studenterguiden.dk 0CrvlHwrQ3nbwx4EjT1Q-cpMoYkOD7-eDVsbQa9hBVg

🔗 TLSA / DANE#

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

🔐 DNSSEC#

117ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2023082801
Primary NS (MNAME)ns1.studenterguiden.dk
Responsible (RNAME)tran@pham.ceresolutions.com
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)10800s

📋 Registration#

WHOIS fetched 2026-10-14 05:16:31
FieldValue
RegistrarSimply.com A/S
Registered2006-09-06
Expires2029-09-30 (1074d)

🔗 Same registrant#

1 domain

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

DomainRegistrar
windows12.dkSimply.com A/S
📋 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 AtDurationRecordsDNSSEC
2026-10-14 04:51:13 649ms 3 NS 1 A 1 MX 🔓 Insecure
2026-10-04 08:40:50 549ms 3 NS 1 A 1 MX 🔓 Insecure
2026-10-04 07:47:51 2135ms 3 NS 1 A 1 MX 🔓 Insecure
2026-09-30 07:27:58 369ms 3 NS 1 A 1 MX 🔓 Insecure
2026-09-25 09:53:13 473ms 3 NS 1 A 1 MX 🔓 Insecure
2026-09-10 13:30:51 799ms 3 NS 1 A 1 MX 🔓 Insecure
2026-08-25 11:17:04 shown 3599ms 5 NS 1 A 1 MX 🔓 Insecure
2026-08-24 16:39:13 3185ms 5 NS 1 A 1 MX ❓ Unknown
2026-08-23 14:40:14 3155ms 5 NS 1 A 1 MX 🔓 Insecure
2026-08-22 13:20:29 6339ms 5 NS 1 A 1 MX 🔓 Insecure
2026-08-21 13:09:35 1304ms 5 NS 1 A 1 MX 🔓 Insecure
2026-08-20 12:18:54 4056ms 5 NS 1 A 1 MX 🔓 Insecure
2026-08-19 06:27:36 3445ms 5 NS 1 A 1 MX 🔓 Insecure
2026-07-28 05:28:10 12339ms 5 NS 1 A 1 MX 🔓 Insecure
2026-07-27 05:07:50 3685ms 5 NS 1 A 1 MX ❓ Unknown
2026-07-26 04:33:30 11844ms 5 NS 1 A 1 MX ❓ Unknown
2026-07-25 04:12:28 9908ms 5 NS 1 A 1 MX 🔓 Insecure
2026-07-22 21:49:40 12513ms 5 NS 1 A 1 MX 🔓 Insecure
2026-07-21 19:28:50 3713ms 5 NS 1 A 1 MX 🔓 Insecure
2026-07-10 15:15:23 3410ms 5 NS 1 A 1 MX 🔓 Insecure
2026-07-09 01:10:18 4422ms 5 NS 1 A 1 MX 🔓 Insecure
2026-06-30 02:07:02 3142ms 5 NS 1 A 1 MX 🔓 Insecure
2026-06-17 21:35:17 801ms 5 NS 1 A 1 MX 🔓 Insecure
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