sentus.dk

📜 Historical scan 2026-08-26 11:08:20 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sentus.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 7 January 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.241.126 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by sentus-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. 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 37ms

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 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.241.126	3600s	webcluster2.wordpresspod2-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	sentus-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::5 2a01:111:f403:ca04::f 2a01:111:f403:ca48::8 52.101.103.140 52.101.68.10 52.101.68.25 52.101.73.26	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-as9pr05cu01302.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	77.111.241.126

🔷 AAAA Records (IPv6)#

1 records 31ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:104:80f4:654f:2fa5:595a	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 141ms

TXT Record
MS=ms31174412
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

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

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-15 20:13:34

www	77.111.241.83 2a02:2350:5:104:9f:1a78:14b5:2e1c (AS51468) (address records, no CNAME)
www vs bare domain	Same network sentus.dk: 77.111.241.83 2a02:2350:5:104:9f:1a78:14b5:2e1c (AS51468) www.sentus.dk: 77.111.241.83 2a02:2350:5:104:9f:1a78:14b5:2e1c (AS51468)
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#

105ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026082502
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 2026-10-15 20:29:24

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2021-01-07
Expires	2027-01-31 (105d)

🔗 Same registrant#

0 domains

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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

37ms

36ms

AAAA

31ms

TXT

141ms

CAA

27ms

HTTPS

34ms

TLSA

170ms

SOA

0ms

MTA-STS

59ms

DNSSEC

105ms

SRV

56ms

Total

786ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 20:13:34	1429ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-20 06:25:12	1471ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-13 04:53:58	1953ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-03 05:48:10	1224ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 01:41:02	1322ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 11:08:20 shown	786ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-25 02:59:31	10492ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-20 23:06:52	7106ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-02 12:58:07	1428ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 19:51:21	1384ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 12:53:18	2249ms	2 NS 1 A 1 MX	🔒 Secure