ctfeurope.dk DNS records

🖥️ Nameservers3 records 32ms

Nameserver	IP addresses	PTR	ASN / ISP
ns4.hostonline.dk	217.195.185.243 2a02:188:6004:14::10	ns4.hostonline.dk ns4.hostonline.dk	AS31027 GlobalConnect A/S AS31027 GlobalConnect A/S
ns5.hostonline.dk	217.195.185.244 2a02:188:6004:14::11	ns5.hostonline.dk ns5.hostonline.dk	AS31027 GlobalConnect A/S AS31027 GlobalConnect A/S
ns6.hostonline.dk	85.191.126.85	ns6.hostonline.dk	AS204274 AURA Fiber A/S

🌍 A Records1 records 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
217.195.185.219	3600s	webhotel11.hostonline.dk	AS31027	GlobalConnect A/S	217.195.176.0/20	🇩🇰 Denmark	—

📧 MX Records1 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	ctfeurope-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca09::2 2a01:111:f403:ca09::7 2a01:111:f403:ca48::a 52.101.68.15 52.101.68.25 52.101.73.155 52.101.73.30	mail-dbapr03cu00100.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-am7pr02cu00203.inbound.protection.outlook.com mail-am7pr05cu00306.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)1 records 35ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:188:6004:10::27	3600s	webhotel11.hostonline.dk	AS31027	GlobalConnect A/S	2a02:188:0:0:0:0:0:0/30	🇩🇰 Denmark	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 63ms

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

📝 TXT Records1 records 126ms

TXT Record
v=spf1 mx a ip4:93.191.156.112 include:_spf.hostonline.dk include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (ctfeurope.dk)
-all (hard fail)	v=spf1 mx a ip4:93.191.156.112 include:_spf.hostonline.dk include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.ctfeurope.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)

🔐 DNSSEC100ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082902
Primary NS (MNAME)	ns4.hostonline.dk
Responsible (RNAME)	hostmaster@hostonline.dk
Refresh	86400s
Retry	7200s
Expire	3600000s
Minimum (neg-cache TTL)	172800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

32ms

A

30ms

MX

35ms

AAAA

35ms

TXT

126ms

CAA

24ms

HTTPS

31ms

TLSA

368ms

SOA

0ms

MTA-STS

34ms

DNSSEC

100ms

SRV

63ms

Total

885ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-29 13:24:35	885ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-28 11:21:31	1632ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-24 14:01:01	1787ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-19 08:02:49	8235ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-15 18:13:41	1616ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-09 21:46:58	4475ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-07 04:12:11	1770ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-25 03:37:31	1445ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-20 10:54:59	1209ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-16 01:03:39	9339ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-10 22:56:37	11303ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-06 03:02:12	4508ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-01 10:14:06	1102ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 20:34:39	1463ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 23:43:10	1520ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 16:06:00	976ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 23:10:44	536ms	3 NS 1 A 1 MX	🔒 Secure	View