dataknowhow.dk DNS records

🖥️ Nameservers2 records 36ms

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 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.109	3600s	webcluster2.webpod13-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 67ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	dataknowhow-dk.mail.protection.outlook.com	2a01:111:f403:ca09::1 2a01:111:f403:ca09::c 2a01:111:f403:ca38::8 2a01:111:f403:ca48::8 52.101.68.0 52.101.68.10 52.101.73.24 52.101.73.28	mail-as9pr07cu00301.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com mail-am7pr05cu00204.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 → 40.104.116.8

🔷 AAAA Records (IPv6)1 records 59ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10b:8069:ce8f:e754:a95b	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

🔌 SRV Records1 records 80ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records1 records 254ms

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

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.dataknowhow.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:dkh@dataknowhow.dk; ruf=mailto:dkh@dataknowhow.dk

📬 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)

🔐 DNSSEC103ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082305
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

36ms

A

40ms

MX

67ms

AAAA

59ms

TXT

254ms

CAA

74ms

HTTPS

66ms

TLSA

187ms

SOA

0ms

MTA-STS

85ms

DNSSEC

103ms

SRV

80ms

Total

1248ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 02:21:04	1248ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 14:39:34	1271ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 01:49:14	8665ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-24 01:24:37	3918ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-05 21:24:58	1778ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-18 04:26:28	5337ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-09 00:07:05	1417ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-01 06:21:10	2287ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 22:45:26	962ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 00:24:47	1084ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 18:08:57	1147ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 12:00:17	1177ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 03:25:54	1039ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 09:36:32	2392ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 01:06:21	788ms	2 NS 1 A 1 MX	🔒 Secure	View