onenumber.dk

Records from scan: 2026-10-12 19:20:06 · 2868ms total · last checked 2026-10-18 05:37 (unchanged)

⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 83ms

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 65ms

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	Ishøj

📧 MX Records#

1 records 67ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	onenumber-dk.mail.protection.outlook.com	2a01:111:f403:ca04::f 2a01:111:f403:ca21::10 2a01:111:f403:ca21::e 2a01:111:f403:ca38::a 52.101.103.36 52.101.103.39 52.101.209.153 52.101.68.10	mail-db7pr03cu00507.inbound.protection.outlook.com mail-matpr05cu00100.inbound.protection.outlook.com mail-matpr04cu00306.inbound.protection.outlook.com mail-wa4pr05cu00102.inbound.protection.outlook.com mail-miypr05cu00104.inbound.protection.outlook.com mail-miypr05cu00207.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-dbbpr03cu00102.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 → 52.98.154.136

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 250ms

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#

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#

236ms

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

🏷️ SOA#

160ms

Field	Value
Serial	2026101201
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#

13 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)
smtpgateway.dk	ONE.COM A/S
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#

83ms

65ms

67ms

AAAA

57ms

TXT

250ms

CAA

77ms

HTTPS

89ms

TLSA

1154ms

SOA

160ms

MTA-STS

121ms

DNSSEC

236ms

SRV

141ms

Total

2868ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 19:20:06 shown	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	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