rntech.dk

Records from scan: 2026-10-16 17:44:33 · 1332ms total · last checked 2026-10-17 18:32 (unchanged)

⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 48ms

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 30ms

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 29ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	rntech-dk.mail.protection.outlook.com	2a01:111:f403:ca04::c 2a01:111:f403:ca09::28 2a01:111:f403:ca48::8 2a01:111:f403:ca48::c 52.101.103.137 52.101.103.143 52.101.68.25 52.101.73.120	mail-db9pr02cu00204.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-am7pr02cu00300.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 → 52.98.154.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 97ms

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#

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#

107ms

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

🏷️ SOA#

30ms

Field	Value
Serial	2026101632
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#

48ms

30ms

29ms

AAAA

44ms

TXT

97ms

CAA

45ms

HTTPS

39ms

TLSA

318ms

SOA

30ms

MTA-STS

52ms

DNSSEC

107ms

SRV

97ms

Total

1332ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 17:44:33 shown	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	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