u-com.dk DNS records

🖥️ Nameservers2 records 58ms

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 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.151	3600s	webcluster1.webpod14-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	ucom-dk0c.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca04::8 2a01:111:f403:ca09::4 2a01:111:f403:ca38::8 52.101.68.29 52.101.68.8 52.101.73.15 52.101.73.16	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as2pr05cu00100.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 → 40.104.116.24
🔶 Autoconfig	46.30.213.151

🔷 AAAA Records (IPv6)1 records 42ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10c:b8:9110:1158:b085	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 92ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	1	443	mail.u-com.dk

📝 TXT Records13 records 210ms

TXT Record
_2o1wzjijlhh4fax7dg0eywhi18z2ki3
_c05ifh3yc0gn98y8erfmtt5qn19y5at
12dq4j4ko70e7hnrvrjs93sh1q
b6x0ldl2nj9l14psfzxj9f92k5lzbsrz
bRprFxChYz9Z0oZAA/l5iuF9b1F6y7MhgyK4QE+/qXvTR6VBfTZ757C/liLRGCEwHv+5R4makD0UfsYJZCJtiA==
g7ifut4ep027lvm3g4bf0q4m2p
gjq9m2ip987i0jt4i8vglfss91
google-site-verification=2hrRJ9OvY6ZoNnripssN4u_4km3vCUbX6OVE1GkExY4
google-site-verification=m5BMy5GfCCTT_ytYh2JhnzMO8GJnqyUyhGF24Eg2lFo
MS=ms18654022
n6ke26bl2cr80sfqn94dak149c
u1gna5icmqaju6l0dvnt9n1g4g
v=spf1 ip4:46.30.213.191 ip4:194.19.190.210 ip4:213.173.242.36 ip4:213.173.242.49 ip4:213.173.242.34 ip4:89.239.219.29 include:spf.protection.outlook.com include:mail.zendesk.com include:_custspf.one.com ~all

✉️ SPF

Policy	Record (u-com.dk)
~all (soft fail)	v=spf1 ip4:46.30.213.191 ip4:194.19.190.210 ip4:213.173.242.36 ip4:213.173.242.49 ip4:213.173.242.34 ip4:89.239.219.29 include:spf.protection.outlook.com include:mail.zendesk.com include:_custspf.one.com ~all

📨 DMARC

Policy	Record (_dmarc.u-com.dk)
p=reject	v=DMARC1; p=reject; ruf=mailto:mvo@u-com.dk; rua=mailto:mvo@u-com.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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.u-com.dk	7wyq0r6hrqh5bwh8h495s7jsw7fl7p0k

🔗 TLSA / DANE

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

🔐 DNSSEC115ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082501
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

58ms

A

50ms

MX

38ms

AAAA

42ms

TXT

210ms

CAA

52ms

HTTPS

50ms

TLSA

184ms

SOA

0ms

MTA-STS

112ms

DNSSEC

115ms

SRV

92ms

Total

842ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 14:31:57	842ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 22:03:57	957ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 16:01:18	1251ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 01:36:13	1837ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-23 23:51:33	4739ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-11 17:42:15	17165ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 10:52:09	14429ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 09:15:54	2813ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 12:08:37	1372ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 09:21:07	1165ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 17:55:58	4741ms	2 NS 1 A 1 MX	🔒 Secure	View