ico.dk DNS records

🖥️ Nameservers2 records 69ms

Nameserver	IP addresses	PTR	ASN / ISP
dns1.cscdns.net	156.154.130.100 2610:a1:1022::100	pdns1.cscdns.net ns1.euro909.com	AS12008 Vercara, LLC AS12008 Vercara, LLC
dns2.cscdns.net	156.154.131.100 2610:a1:1023::100	ns4.netnames.net ns2.arcemus.com	AS12008 Vercara, LLC AS12008 Vercara, LLC

🌍 A Records1 records 2043ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
194.255.126.47	14398s	—	AS3308	Norlys Telco A/S	194.255.0.0/16	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 67ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	ico-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca04::1 2a01:111:f403:ca04::4 2a01:111:f403:ca09::4 52.101.103.140 52.101.68.5 52.101.73.30 52.101.73.6	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-db7pr03cu00401.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am7pr05cu00306.inbound.protection.outlook.com mail-am6pr04cu00306.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 Records2 records 105ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	mail.ussintra.com
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records2 records 283ms

TXT Record
MS=ms46437450
v=spf1 mx a ptr a:mail.ussintra.com include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (ico.dk)
-all (hard fail)	v=spf1 mx a ptr a:mail.ussintra.com 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)

🔐 DNSSEC83ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2018081910
Primary NS (MNAME)	dns1.cscdns.net
Responsible (RNAME)	hostmaster@cscdns.net
Refresh	10800s
Retry	5400s
Expire	3628800s
Minimum (neg-cache TTL)	14400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

69ms

A

2043ms

MX

67ms

AAAA

54ms

TXT

283ms

CAA

77ms

HTTPS

67ms

TLSA

377ms

SOA

0ms

MTA-STS

56ms

DNSSEC

83ms

SRV

105ms

Total

2837ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 21:33:10	2837ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-02 18:58:07	2684ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 13:07:29	2587ms	2 NS 1 A 1 MX	🔓 Insecure	View