knsb.dk DNS records

🖥️ Nameservers2 records 114ms

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 102ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.140	3600s	webcluster1.webpod14-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 109ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	knsb-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::f 2a01:111:f403:ca09::e 2a01:111:f403:ca09::f 52.101.68.29 52.101.73.22 52.101.73.24 52.101.73.4	mail-db7pr03cu00401.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com mail-am0pr83cu00404.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 → 40.98.16.43

🔷 AAAA Records (IPv6)1 records 115ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10c:62:35d3:eea6:ee5	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 8101ms

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

📝 TXT Records1 records 307ms

TXT Record
v=spf1 ip4:46.30.215.23 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (knsb.dk)
-all (hard fail)	v=spf1 ip4:46.30.215.23 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.knsb.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)

🔐 DNSSEC176ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082002
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

114ms

A

102ms

MX

109ms

AAAA

115ms

TXT

307ms

CAA

140ms

HTTPS

105ms

TLSA

205ms

SOA

0ms

MTA-STS

91ms

DNSSEC

176ms

SRV

8101ms

Total

9521ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-20 08:41:59	9521ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-17 02:30:17	1773ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-30 10:04:19	9375ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-17 13:47:04	2486ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-01 23:43:11	1254ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 13:44:29	1320ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 11:30:26	2648ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 06:07:47	942ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 13:48:13	6372ms	2 NS 1 A 1 MX	🔒 Secure	View