ultraclean.dk DNS records

🖥️ Nameservers2 records 54ms

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 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.188	3600s	webcluster2.webpod14-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 51ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	ultraclean-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::8 2a01:111:f403:ca04::e 2a01:111:f403:ca09::d 52.101.68.15 52.101.68.32 52.101.68.39 52.101.73.2	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-as9pr07cu00302.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

🔷 AAAA Records (IPv6)1 records 54ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10c:80e2:6580:1d60:10a9	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 112ms

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

📝 TXT Records2 records 198ms

TXT Record
MS=ms57145470
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.ultraclean.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@itfe.dk; ruf=mailto:dmarc@itfe.dk; fo=0; adkim=r; aspf=r; pct=100; rf=afrf; ri=86400; sp=none

📬 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)

🔐 DNSSEC84ms

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

54ms

A

39ms

MX

51ms

AAAA

54ms

TXT

198ms

CAA

49ms

HTTPS

47ms

TLSA

772ms

SOA

0ms

MTA-STS

74ms

DNSSEC

84ms

SRV

112ms

Total

1966ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-24 01:49:47	1966ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-22 18:47:52	5510ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-14 18:34:17	6226ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-14 21:22:22	4624ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 04:27:20	743ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 04:19:31	762ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 13:06:00	2369ms	2 NS 1 A 1 MX	🔒 Secure	View