rtx-telecom.dk

Records from scan: 2026-10-13 04:35:26 · 1022ms total · last checked 2026-10-24 23:42 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rtx-telecom.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 20 June 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.47.247.18 is hosted by One.com A/S (AS51468). Mail is handled by .. The zone is DNSSEC-signed and validates, publishes a 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 104ms

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 Records#

1 records 111ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.47.247.18	600s	one.com.webforward.g1i.one	AS51468	One.com A/S	195.47.247.0/24	—	—

📧 MX Records#

1 records 616ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	. Null MX — domain accepts no email (RFC 7505)

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	195.47.247.18
🔶 Autoconfig	195.47.247.18

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 269ms

TXT Record
apple-domain-verification=KZ6m21KjQ6e2fDiO
v=spf1 include:outlook.com ~all

✉️ SPF#

Policy	Record (rtx-telecom.dk)
~all (soft fail)	v=spf1 include:outlook.com ~all

📨 DMARC#

Policy	Record (_dmarc.rtx-telecom.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:itdepartment@rtx.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

🧩 Web & zone#

checked 2026-10-13 04:35:27

www	195.47.247.18 (AS51468) (address records, no CNAME)
www vs bare domain	Same network rtx-telecom.dk: 195.47.247.18 (AS51468) www.rtx-telecom.dk: 195.47.247.18 (AS51468)
Wildcard	Yes: any name under the zone resolves
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#

188ms

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

🏷️ SOA#

89ms

Field	Value
Serial	2026101201
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-07 20:53:56

Field	Value
Registrar	ONE.COM A/S
Registered	2001-06-20
Expires	2031-06-30 (1709d)

📋 WHOIS#

⏱️ Lookup Timing#

104ms

111ms

616ms

AAAA

143ms

TXT

269ms

CAA

115ms

HTTPS

87ms

TLSA

73ms

SOA

89ms

MTA-STS

110ms

DNSSEC

188ms

SRV

224ms

Total

1022ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 04:35:26 shown	1022ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-08 20:27:49	572ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-07 20:24:00	529ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 17:18:12	2494ms	2 NS 1 A 4 MX	🔒 Secure
2026-09-07 21:48:33	841ms	2 NS 1 A 4 MX	🔒 Secure
2026-08-25 17:01:48	818ms	2 NS 1 A 4 MX	🔒 Secure
2026-07-02 12:53:50	1876ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-17 22:35:54	736ms	2 NS 1 A 4 MX	🔒 Secure