retec-as.dk DNS records

🖥️ Nameservers2 records 48ms

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 52ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
79.125.22.245	3600s	ec2-79-125-22-245.eu-west-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	79.125.0.0/17	🇮🇪 Ireland	Dublin

📧 MX Records1 records 51ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	retecas-dk01c.l-v1.mx.microsoft	2a01:111:f403:ca04::1 2a01:111:f403:ca04::a 2a01:111:f403:ca04::e 2a01:111:f403:ca09::8 52.101.68.0 52.101.68.3 52.101.73.22 52.101.73.26	mail-db7pr03cu00401.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com mail-as9pr05cu01302.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 → 40.104.116.56
🔶 Autoconfig	retec-as.dk → 79.125.22.245

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 237ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records1 records 184ms

TXT Record
v=spf1 include:spf.protection.outlook.com ip4:62.243.37.26 -all

✉️ SPF

Policy	Record (retec-as.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com ip4:62.243.37.26 -all

📨 DMARC

Policy	Record (_dmarc.retec-as.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email

📬 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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.retec-as.dk	retec-as.dk

🔗 TLSA / DANE4 records 81ms

Service / Owner	Type	Cert association
SMTP _25._tcp.retecas-dk01c.l-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	C1AD7778796D20BCA65C889A26550211…
SMTP _25._tcp.retecas-dk01c.l-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	54883CC5F1849331E6BF5002C3129D20…
SMTP _25._tcp.retecas-dk01c.l-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	EA7A25255D111FC3CE4CB8FABE3ADF9C…
SMTP _25._tcp.retecas-dk01c.l-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	803F7447CC75B208DBCA042346F5D8DF…

🔐 DNSSEC88ms

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

🏷️ SOA0ms

Field	Value
Serial	2026032401
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

48ms

A

52ms

MX

51ms

AAAA

42ms

TXT

184ms

CAA

52ms

HTTPS

34ms

TLSA

81ms

SOA

0ms

MTA-STS

81ms

DNSSEC

88ms

SRV

237ms

Total

827ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-02 15:32:16	827ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-17 23:23:38	5467ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 13:35:52	2810ms	2 NS 1 A 1 MX	🔒 Secure	View