kostogkol.dk DNS records

🖥️ Nameservers2 records 214ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.itagil.dk	185.25.141.12	ns1.curanet.dk	AS48854 team.blue Denmark A/S
ns2.itagil.dk	91.197.248.75	ns2.curanet.dk	AS48854 team.blue Denmark A/S

🌍 A Records1 records 221ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.41.254	3600s	linux32.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 218ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	kostogkol-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::f 2a01:111:f403:ca09:: 2a01:111:f403:ca09::9 52.101.68.25 52.101.73.11 52.101.73.19 52.101.73.2	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-as8pr04cu00803.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 → 40.104.116.24
🔶 Autoconfig	autoconfig-mf.onlinemail.io → 185.21.40.62

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 357ms

TXT Record
MS=ms18734151
v=spf1 ip4:185.21.42.20 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (kostogkol.dk)
-all (hard fail)	v=spf1 ip4:185.21.42.20 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)

🔐 DNSSEC298ms

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

🏷️ SOA208ms

Field	Value
Serial	2025082601
Primary NS (MNAME)	ns1.itagil.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

214ms

A

221ms

MX

218ms

AAAA

189ms

TXT

357ms

CAA

204ms

HTTPS

195ms

TLSA

214ms

SOA

208ms

MTA-STS

240ms

DNSSEC

298ms

SRV

224ms

Total

1245ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-28 03:04:25	1245ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 13:41:10	1326ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 21:26:41	737ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 23:56:35	3164ms	2 NS 1 A 1 MX	⚠️ Bogus	View
2026-06-22 12:09:32	1171ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 11:33:19	1170ms	2 NS 1 A 1 MX	🔒 Secure	View