onenumber.dk

📜 Historical scan 2026-07-02 13:18:26 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

onenumber.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 9 April 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.21.248.223 is hosted by Uni-tel A/S (AS196997) in Denmark. Mail is handled by onenumber-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no 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 31ms

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 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.21.248.223	3600s	178.21.248.223.customer.uni-tel.dk	AS196997	Uni-tel A/S	178.21.248.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	onenumber-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::9 2a01:111:f403:ca09::b 2a01:111:f403:ca09::c 52.101.68.12 52.101.68.16 52.101.68.8 52.101.73.19	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-as8pr04cu00803.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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 160ms

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

✉️ SPF#

Policy	Record (onenumber.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 2026-10-12 19:20:06

www	178.21.248.223 (AS196997) (address records, no CNAME)
www vs bare domain	Same network onenumber.dk: 178.21.248.223 (AS196997) www.onenumber.dk: 178.21.248.223 (AS196997)
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#

58ms

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

🏷️ SOA#

59ms

Field	Value
Serial	2026061201
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 2026-10-12 19:43:11

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2013-04-09
Expires	2027-04-30 (193d)

🔗 Same registrant#

12 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).

Domain	Registrar
fanikke.dk	Punktum dk A/S (direct)
fannike.dk	ONE.COM A/S
fannikke.dk	ONE.COM A/S
køkkenkraft.dk	ONE.COM A/S
sip01.dk	Punktum dk A/S (direct)
telecenter-bornholm.dk	Punktum dk A/S (direct)
telefonafdelingen.dk	Punktum dk A/S (direct)
unibackup.dk	Punktum dk A/S (direct)
unicom-fannikke.dk	Punktum dk A/S (direct)
unicom-x.dk	Punktum dk A/S (direct)
unicom.dk	Punktum dk A/S (direct)
xint.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

31ms

32ms

50ms

AAAA

41ms

TXT

160ms

CAA

31ms

HTTPS

36ms

TLSA

210ms

SOA

59ms

MTA-STS

42ms

DNSSEC

58ms

SRV

39ms

Total

827ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 19:20:06	2868ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-09 17:48:39	1707ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-08 11:55:12	1548ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-08 11:27:23	1404ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 19:44:34	902ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 08:16:08	804ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 07:24:51	1006ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-15 00:11:55	1322ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-12 12:38:54	1898ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-10 04:38:21	3691ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-09 01:42:28	3455ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-15 01:14:11	1128ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-08 17:29:17	1184ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-02 13:18:26 shown	827ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-19 12:48:32	1244ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 23:12:43	1268ms	2 NS 1 A 1 MX	🔒 Secure