icv.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 96ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
145.223.86.159	43200s	—	AS47583	Hostinger International Limited	145.223.80.0/20	🇩🇪 Germany	Frankfurt am Main

📧 MX Records1 records 85ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	icv-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::4 2a01:111:f403:ca04::d 2a01:111:f403:ca09::f 52.101.68.25 52.101.68.5 52.101.73.11 52.101.73.155	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am7pr02cu00203.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)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 127ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records3 records 283ms

TXT Record
google-site-verification=nuMjUf_zIIULmpXyJPHyvltccgEiQAgAiHMzduXHRxg
MS=ms41696993
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (icv.dk)
-all (hard fail)	v=spf1 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)

🔐 DNSSEC212ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082801
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

96ms

MX

85ms

AAAA

111ms

TXT

283ms

CAA

80ms

HTTPS

101ms

TLSA

1062ms

SOA

0ms

MTA-STS

131ms

DNSSEC

212ms

SRV

127ms

Total

2269ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-29 14:13:14	2269ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 22:53:12	967ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-04 10:18:18	2009ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 09:13:09	1186ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 00:04:15	1064ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 13:08:47	755ms	2 NS 1 A 1 MX	🔒 Secure	View