rntech.dk

📜 Historical scan 2026-07-07 02:44:25 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rntech.dk is a .dk domain served by 2 nameservers (ns1.dns-sec.dk, ns2.dns-sec.dk). It was registered on 22 May 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 92.241.203.107 is hosted by Cibicom A/S (AS3342) in Denmark. Mail is handled by rntech-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 51ms

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 Records#

1 records 49ms

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 Records#

1 records 52ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	rntech-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::7 2a01:111:f403:ca04::a 2a01:111:f403:ca09::1 52.101.68.36 52.101.68.39 52.101.73.1 52.101.73.8	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am0pr04cu00500.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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 277ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-16 17:44:33

www	92.241.203.107 (AS3342) (address records, no CNAME)
www vs bare domain	Same network rntech.dk: 92.241.203.107 (AS3342) www.rntech.dk: 92.241.203.107 (AS3342)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

134ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026070517
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#

WHOIS fetched 2026-10-11 08:39:10

Field	Value
Registrar	Domeneshop AS
Registered	2024-05-22
Expires	2029-05-21 (946d)

📋 WHOIS#

⏱️ Lookup Timing#

51ms

49ms

52ms

AAAA

44ms

TXT

277ms

CAA

31ms

HTTPS

48ms

TLSA

279ms

SOA

0ms

MTA-STS

72ms

DNSSEC

134ms

SRV

139ms

Total

1524ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 17:44:33	1332ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-11 08:30:44	2401ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 20:56:06	810ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-26 23:36:17	1438ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-26 13:19:33	1525ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 12:41:11	1867ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-09 06:07:47	1791ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-21 05:20:20	2700ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-17 07:22:32	17008ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-28 22:12:47	3635ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-21 20:32:59	1671ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-12 19:18:32	1781ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-07 02:44:25 shown	1524ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-04 20:32:38	1958ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 00:42:46	1192ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 01:06:56	4859ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 07:40:16	5399ms	2 NS 1 A 1 MX	🔒 Secure