vice-versa.dk DNS records

🖥️ Nameservers2 records 25ms

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 24ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.86	3600s	webcluster1.webpod16-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	viceversa-dk01b.mail.protection.outlook.com	2a01:111:f403:ca04::f 2a01:111:f403:ca09::3 2a01:111:f403:ca09::c 2a01:111:f403:ca09::d 52.101.68.16 52.101.68.29 52.101.68.36 52.101.73.12	mail-db7pr03cu00507.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am4pr0401cu00104.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)1 records 23ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:111:b3:7058:729:ff66	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

📝 TXT Records2 records 215ms

TXT Record
MS=ms80900835
v=spf1 include:spf.protection.outlook.com include:_custspf.one.com -all

✉️ SPF

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

🔐 DNSSEC114ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082402
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

25ms

A

24ms

MX

32ms

AAAA

23ms

TXT

215ms

CAA

27ms

HTTPS

32ms

TLSA

1448ms

SOA

0ms

MTA-STS

54ms

DNSSEC

114ms

SRV

8045ms

Total

10043ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-24 21:46:24	10043ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-23 20:59:07	3835ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-01 15:14:09	5318ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 19:44:34	747ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 10:42:52	1189ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 19:52:01	2131ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 14:19:32	1173ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 02:50:00	3098ms	2 NS 1 A 1 MX	🔒 Secure	View