rntech.dk DNS records

🖥️ Nameservers2 records 123ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dns-sec.dk	92.241.203.106	ns1.dns-sec.dk	AS3342 Cibicom A/S
ns2.dns-sec.dk	92.241.203.107	ns2.dns-sec.dk	AS3342 Cibicom A/S

🌍 A Records1 records 134ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
92.241.203.107	3600s	ns2.dns-sec.dk	AS3342	Cibicom A/S	92.241.192.0/20	🇩🇰 Denmark	—

📧 MX Records1 records 117ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	rntech-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::1 2a01:111:f403:ca04::10 2a01:111:f403:ca09:: 52.101.68.27 52.101.68.8 52.101.73.2 52.101.73.30	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db7pr03cu00401.inbound.protection.outlook.com mail-dbapr03cu00100.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-as9pr07cu00302.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

📝 TXT Records1 records 393ms

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

✉️ SPF

Policy	Record (rntech.dk)
-all (hard fail)	v=spf1 include:_spf.rntech.dk 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)

🔐 DNSSEC245ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082124
Primary NS (MNAME)	ns1.dns-sec.dk
Responsible (RNAME)	admin@dns-sec.dk
Refresh	3600s
Retry	900s
Expire	604800s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

123ms

A

134ms

MX

117ms

AAAA

68ms

TXT

393ms

CAA

118ms

HTTPS

117ms

TLSA

1327ms

SOA

0ms

MTA-STS

95ms

DNSSEC

245ms

SRV

176ms

Total

2700ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-21 05:20:20	2700ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-17 07:22:32	17008ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-28 22:12:47	3635ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-21 20:32:59	1671ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-12 19:18:32	1781ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-07 02:44:25	1524ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-04 20:32:38	1958ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 00:42:46	1192ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 01:06:56	4859ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 07:40:16	5399ms	2 NS 1 A 1 MX	🔒 Secure	View