c-tand.dk DNS records

🖥️ Nameservers2 records 226ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simpleagencygroup.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simpleagencygroup.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records1 records 224ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.155.240	300s	forward.dnsfactory.dk	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records1 records 231ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	ctand-dk0c.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca09::1 2a01:111:f403:ca09::8 2a01:111:f403:ca09::c 52.101.68.32 52.101.68.39 52.101.73.16 52.101.73.22	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00106.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
🔶 Autoconfig	212.237.249.16

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 545ms

TXT Record
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.c-tand.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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)

🔐 DNSSEC337ms

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

🏷️ SOA244ms

Field	Value
Serial	2025072901
Primary NS (MNAME)	ns1.simpleagencygroup.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

226ms

A

224ms

MX

231ms

AAAA

208ms

TXT

545ms

CAA

207ms

HTTPS

239ms

TLSA

319ms

SOA

244ms

MTA-STS

264ms

DNSSEC

337ms

SRV

319ms

Total

1731ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-26 00:55:37	1731ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 07:10:40	935ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 02:19:03	1046ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 09:11:49	765ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 18:45:16	735ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 18:40:09	697ms	2 NS 1 A 1 MX	🔒 Secure	View