ct-technologies.dk DNS records

🖥️ Nameservers2 records 189ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records1 records 190ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
35.187.82.108	3600s	108.82.187.35.bc.googleusercontent.com	AS396982	Google LLC	35.184.0.0/13	🇧🇪 Belgium	Brussels

📧 MX Records1 records 177ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	cttechnologies-dk0e.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::b 2a01:111:f403:ca04::f 2a01:111:f403:ca09::b 52.101.103.137 52.101.68.0 52.101.73.22 52.101.73.30	mail-db4pr02cu00204.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-am7pr05cu00106.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)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 399ms

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

📝 TXT Records4 records 691ms

TXT Record
brevo-code:753b9d0828d7649172fefd23df50d1b9
MS=ms35037974
MS=ms94143508
v=spf1 include:spf.protection.outlook.com include:spam.4dim.as include:_custspf.one.com include:spf.mailjet.com -all

✉️ SPF

Policy	Record (ct-technologies.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spam.4dim.as include:_custspf.one.com include:spf.mailjet.com -all

📨 DMARC

Policy	Record (_dmarc.ct-technologies.dk)
p=none (monitor only)	v=DMARC1; p=none; pct=100; rua=mailto:it-dmarc@ct-technologies.dk

📬 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)

🔐 DNSSEC575ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082202
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

189ms

A

190ms

MX

177ms

AAAA

229ms

TXT

691ms

CAA

171ms

HTTPS

204ms

TLSA

268ms

SOA

0ms

MTA-STS

389ms

DNSSEC

575ms

SRV

399ms

Total

3736ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-23 07:06:12	3736ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-12 06:12:40	4664ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-16 22:01:51	2253ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-12 14:42:13	10159ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 14:43:49	1077ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 23:06:41	830ms	2 NS 1 A 1 MX	🔒 Secure	View