studysea.dk

Records from scan: 2026-10-09 08:50:58 · 2977ms total · last checked 2026-10-16 19:26 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

studysea.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 24 June 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.213.191 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by studysea-dk.mail.protection.outlook.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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 54ms

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 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.191	3600s	webforward.webpod14-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	studysea-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca09::26 2a01:111:f403:ca21::e 2a01:111:f403:ca48::a 52.101.103.162 52.101.209.153 52.101.68.15 52.101.68.39	mail-dbapr03cu00100.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-matpr04cu00306.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr03cu00202.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db7pr03cu00607.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 → 40.104.116.40
🔶 Autoconfig	46.30.213.133

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 171ms

TXT Record
google-site-verification=LtPnCK1hFchpESKz7JHhcvlXIbc1PwLS6bJULeOH9I4
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (studysea.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.studysea.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#

checked 2026-10-09 08:50:58

www	104.19.154.92 (AS13335) (address records, no CNAME)
www vs bare domain	Different networks studysea.dk: 46.30.213.191 (AS51468) www.studysea.dk: 104.19.154.92 (AS13335) (all like this)
Wildcard	Yes: any name under the zone resolves
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#

59ms

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

🏷️ SOA#

2020ms

Field	Value
Serial	2026100704
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-07 18:48:56

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2013-06-24
Expires	2027-06-30 (255d)

📋 WHOIS#

⏱️ Lookup Timing#

54ms

31ms

45ms

AAAA

24ms

TXT

171ms

CAA

48ms

HTTPS

36ms

TLSA

607ms

SOA

2020ms

MTA-STS

48ms

DNSSEC

59ms

SRV

61ms

Total

2977ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 08:50:58 shown	2977ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-08 18:33:52	1319ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-07 18:25:36	1304ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-27 15:42:17	867ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-12 23:38:24	5327ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-09 13:53:14	1251ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-06 22:44:54	5713ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 02:03:14	3381ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-19 16:15:51	3445ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 11:45:40	2941ms	2 NS 1 A 1 MX	🔒 Secure