ask4us.dk DNS records

🖥️ Nameservers2 records 29ms

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 28ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.86	3600s	webcluster1.webpod13-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 28ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	ask4us-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca09::7 2a01:111:f403:ca09::e 2a01:111:f403:ca38::8 52.101.103.143 52.101.68.10 52.101.68.3 52.101.68.39	mail-dbapr03cu00100.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-db7pr03cu00607.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 → 40.104.116.8

🔷 AAAA Records (IPv6)1 records 20ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10b:b7:a0b2:6088:a612	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 61ms

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

📝 TXT Records3 records 120ms

TXT Record
MS=ms87360452
P-m8TDq7H39H
v=spf1 include:spf.protection.outlook.com include:spf.permido.com -all

✉️ SPF

Policy	Record (ask4us.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.permido.com -all

📨 DMARC

Policy	Record (_dmarc.ask4us.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:test@ask4us.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

🔗 TLSA / DANE

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

🔐 DNSSEC96ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082901
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

29ms

A

28ms

MX

28ms

AAAA

20ms

TXT

120ms

CAA

31ms

HTTPS

21ms

TLSA

377ms

SOA

0ms

MTA-STS

33ms

DNSSEC

96ms

SRV

61ms

Total

892ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 06:50:38	892ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-05 23:12:22	1591ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-11 19:56:30	1242ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 13:58:09	969ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 17:50:58	886ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 13:44:17	694ms	2 NS 1 A 1 MX	🔒 Secure	View