ctecel.dk DNS records

🖥️ Nameservers4 records 30ms

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 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.99	3600s	linux221.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records2 records 83ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	ctecel-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca09::1 2a01:111:f403:ca09::20 2a01:111:f403:ca09::9 52.101.68.27 52.101.73.15 52.101.73.19 52.101.73.2	mail-db4pr02cu00406.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-am9pr04cu00107.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
99	3600s	ms74907320.msv1.invalid	—	—	—

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.154.136
🔶 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 126ms

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

📝 TXT Records2 records 165ms

TXT Record
MS=ms11712246
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (ctecel.dk)
-all (hard fail)	v=spf1 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)

🔐 DNSSEC69ms

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

🏷️ SOA83ms

Field	Value
Serial	2025042300
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

30ms

A

41ms

MX

83ms

AAAA

81ms

TXT

165ms

CAA

42ms

HTTPS

71ms

TLSA

271ms

SOA

83ms

MTA-STS

43ms

DNSSEC

69ms

SRV

126ms

Total

925ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 06:54:57	1552ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-06-26 20:48:01	846ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-06-24 17:31:55	925ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-06-20 14:58:24	697ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-06-16 23:11:09	2658ms	4 NS 1 A 2 MX	🔒 Secure	View