50991212.dk DNS records

🖥️ Nameservers2 records 55ms

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 Records1 records 47ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.47.247.18	3600s	one.com.webforward.g1i.one	AS51468	One.com A/S	195.47.247.0/24	—	—

📧 MX Records1 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	50991212-dk.mail.protection.outlook.com	2a01:111:f403:c967:: 2a01:111:f403:c967::2 2a01:111:f403:c967::4 2a01:111:f403:c967::6 52.101.209.2 52.101.209.4 52.101.209.6 52.101.209.74	mail-cpcp307cu00400.inbound.protection.outlook.com mail-cpap307cu00402.inbound.protection.outlook.com mail-cpap307cu00204.inbound.protection.outlook.com mail-cpcp307cu00206.inbound.protection.outlook.com mail-cpap307cu00402.inbound.protection.outlook.com mail-cpap307cu00204.inbound.protection.outlook.com mail-cpcp307cu00206.inbound.protection.outlook.com mail-cpcp307cu00402.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 → 40.104.116.56
🔶 Autoconfig	195.47.247.18

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 200ms

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

✉️ SPF

Policy	Record (50991212.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.50991212.dk)
p=reject	v=DMARC1; p=reject

📬 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

🔗 TLSA / DANE

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

🔐 DNSSEC93ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082205
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 RegistrationWHOIS fetched 2026-07-24 21:47:47

Field	Value
Registrar	ONE.COM A/S
Registered	2008-04-13
Expires	2027-04-30 (240d)

📋 WHOIS

⏱️ Lookup Timing

NS

55ms

A

47ms

MX

33ms

AAAA

38ms

TXT

200ms

CAA

52ms

HTTPS

48ms

TLSA

246ms

SOA

0ms

MTA-STS

73ms

DNSSEC

93ms

SRV

66ms

Total

916ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 13:04:50	916ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 14:59:08	1327ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-22 22:06:45	1167ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-11 01:35:24	1974ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-08 13:49:22	9139ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-28 00:17:11	938ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-24 21:47:12	907ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-08 18:08:18	1369ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 20:01:01	4464ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 12:22:53	697ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 05:02:28	1097ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 12:57:14	1661ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 12:49:52	1810ms	2 NS 1 A 1 MX	🔒 Secure	View