kontrakta.dk DNS records

🖥️ Nameservers2 records 97ms

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 74ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.72.21.228	3600s	typo310.t3hot.dk	AS3342	Cibicom A/S	178.72.16.0/21	🇩🇰 Denmark	—

📧 MX Records1 records 78ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	kontrakta-dk.mail.protection.outlook.com	2a01:111:f403:ca04::c 2a01:111:f403:ca09:: 2a01:111:f403:ca09::24 2a01:111:f403:ca09::b 52.101.103.137 52.101.68.5 52.101.73.145 52.101.73.15	mail-db9pr02cu00204.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am6pr02cu00301.inbound.protection.outlook.com mail-am9pr04cu00107.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 Records3 records 229ms

TXT Record
178.72.21.228
MS=ms77164232
v=spf1 ip4:77.66.10.196 ip4:178.72.21.228 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (kontrakta.dk)
-all (hard fail)	v=spf1 ip4:77.66.10.196 ip4:178.72.21.228 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

🔗 TLSA / DANE

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

🔐 DNSSEC197ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082601
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

97ms

A

74ms

MX

78ms

AAAA

81ms

TXT

229ms

CAA

77ms

HTTPS

115ms

TLSA

689ms

SOA

0ms

MTA-STS

119ms

DNSSEC

197ms

SRV

109ms

Total

1554ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 11:57:46	1554ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-26 14:18:04	1502ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 02:16:05	921ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 01:44:03	1732ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 05:15:51	875ms	2 NS 1 A 1 MX	🔒 Secure	View