studieklog.dk

📜 Historical scan 2026-09-23 11:38:12 · ← Latest scan

studieklog.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). Its website address 216.150.1.1 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by mailserver.purelymail.com. The zone is DNSSEC-signed and validates, 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

2 records 78ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records

1 records 168ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
216.150.1.1	3600s	—	AS16509	Amazon.com, Inc.	216.150.1.0/24	🇺🇸 United States	—

📧 MX Records

1 records 210ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
50	3600s	mailserver.purelymail.com	18.204.123.63	ec2-18-204-123-63.compute-1.amazonaws.com	AS14618 Amazon.com, Inc.

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records

3 records 1219ms

TXT Record
google-site-verification=34b6D0oKESzP_H2hgi5PwcvPfpv9on9MTlF9KcXRkrI
purelymail_ownership_proof=f32136b012154b1ad465937a182f1ba9b674ebf7cf3e0551482eb882cfe98d1ce86f3c7a589b9405510c4ee4fd71e4342a53ad52012dadc5c711662e51e85193
v=spf1 include:_spf.purelymail.com ~all

✉️ SPF

Policy	Record (studieklog.dk)
~all (soft fail)	v=spf1 include:_spf.purelymail.com ~all

📨 DMARC

Policy	Record (_dmarc.studieklog.dk)
p=reject	v=DMARC1; p=reject; ruf=mailto:dmarc@purelymail.com

📬 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 2026-09-29 15:15:23

www CNAME	3d531506b41a8c32.vercel-dns-016.com (all on vercel-dns-016.com)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE

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

🔐 DNSSEC

198ms

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

🏷️ SOA

0ms

Field	Value
Serial	2026091801
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

78ms

168ms

210ms

AAAA

227ms

TXT

1219ms

CAA

207ms

HTTPS

185ms

TLSA

90ms

SOA

0ms

MTA-STS

233ms

DNSSEC

198ms

SRV

214ms

Total

1756ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-29 15:15:23	837ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 11:38:12 shown	1756ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-13 09:17:29	640ms	2 NS 1 A 1 MX	🔒 Secure