teorikortet.dk DNS records

🖥️ Nameservers2 records 52ms

Nameserver	IP addresses	PTR	ASN / ISP
ns61.domaincontrol.com	2603:5:2153::20 97.74.101.32	ns61.domaincontrol.com ns61.domaincontrol.com	AS44273 Host Europe GmbH AS44273 Host Europe GmbH
ns62.domaincontrol.com	173.201.69.32 2603:5:2253::20	ns62.domaincontrol.com ns62.domaincontrol.com	AS44273 Host Europe GmbH AS44273 Host Europe GmbH

🌍 A Records1 records 61ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
23.227.38.32	3600s	myshopify.com	AS13335	Cloudflare, Inc.	23.227.38.0/23	🇨🇦 Canada	Ottawa

📧 MX Records1 records 48ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	teorikortet-dk.mail.protection.outlook.com	2a01:111:f403:ca34:: 2a01:111:f403:ca34::1 2a01:111:f403:ca34::2 2a01:111:f403:ca36:: 52.101.177.0 52.101.177.1 52.101.177.2 52.101.179.0	mail-olap279cu00200.inbound.protection.outlook.com mail-os6p279cu01301.inbound.protection.outlook.com mail-os5p279cu00202.inbound.protection.outlook.com mail-svzp279cu00100.inbound.protection.outlook.com mail-olap279cu00200.inbound.protection.outlook.com mail-os6p279cu01301.inbound.protection.outlook.com mail-os5p279cu00202.inbound.protection.outlook.com mail-svzp279cu00100.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)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 102ms

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

📝 TXT Records4 records 305ms

TXT Record
brevo-code:a6d0947c21584407c8892ee65137e5e8
google-site-verification=i7Egt0XApu1ToKjMfXoSpJmnh1tTJAat-hegmLuDQpk
NETORG9933522.onmicrosoft.com
v=spf1 include:secureserver.net include:spf.brevo.com mx -all

✉️ SPF

Policy	Record (teorikortet.dk)
-all (hard fail)	v=spf1 include:secureserver.net include:spf.brevo.com mx -all

📨 DMARC

Policy	Record (_dmarc.teorikortet.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com

📬 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)

🔐 DNSSEC97ms

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	2026051500
Primary NS (MNAME)	ns61.domaincontrol.com
Responsible (RNAME)	dns@jomax.net
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

52ms

A

61ms

MX

48ms

AAAA

53ms

TXT

305ms

CAA

47ms

HTTPS

74ms

TLSA

184ms

SOA

0ms

MTA-STS

85ms

DNSSEC

97ms

SRV

102ms

Total

923ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 03:39:20	923ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-27 08:36:59	1199ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-01 18:40:04	1189ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-30 10:25:33	1261ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-25 15:24:30	952ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-20 09:35:43	7617ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-19 17:37:30	1178ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-18 04:30:29	1035ms	2 NS 1 A 1 MX	🔓 Insecure	View