critec.dk DNS records

🖥️ Nameservers4 records 34ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records1 records 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.224.88.175	3600s	static.175.88.224.46.clients.your-server.de	AS24940	Hetzner Online GmbH	46.224.0.0/15	🇩🇪 Germany	Nuremberg

📧 MX Records1 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	critec-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca09::20 2a01:111:f403:ca09::c 2a01:111:f403:ca48::8 52.101.68.0 52.101.68.12 52.101.68.29 52.101.68.8	mail-du0pr03cu00102.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-du0pr03cu00100.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	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 56ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records1 records 137ms

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

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.critec.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.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)

🔐 DNSSEC78ms

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

🏷️ SOA0ms

Field	Value
Serial	2026042400
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

34ms

A

42ms

MX

41ms

AAAA

41ms

TXT

137ms

CAA

38ms

HTTPS

45ms

TLSA

312ms

SOA

0ms

MTA-STS

60ms

DNSSEC

78ms

SRV

56ms

Total

852ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 05:24:22	852ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 17:01:27	1365ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 13:37:15	3000ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 13:26:21	1107ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 01:09:23	927ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 07:53:32	2896ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 22:55:17	674ms	4 NS 1 A 1 MX	🔒 Secure	View