rtensen.dk

📜 Historical scan 2026-06-21 08:10:08 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rtensen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 15 September 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.210.56.201 is hosted by Adeo Datacenter ApS (AS202914) in Denmark. Mail is handled by aspmx.l.google.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 90ms

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 69ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.210.56.201	3600s	—	AS202914	Adeo Datacenter ApS	91.210.56.0/24	🇩🇰 Denmark	—

📧 MX Records#

1 records 63ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	aspmx.l.google.com	142.251.127.27 2a00:1450:4001:c21::1b	lcfrai-in-f27.1e100.net lcfrai-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	91.210.56.201
🔶 Autoconfig	91.210.56.201

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 2026-10-10 10:26:48

www	91.210.56.201 (AS202914) (address records, no CNAME)
www vs bare domain	Same network rtensen.dk: 91.210.56.201 (AS202914) www.rtensen.dk: 91.210.56.201 (AS202914)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

259ms

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

🏷️ SOA#

51ms

Field	Value
Serial	2026032501
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 11:41:53

Field	Value
Registrar	ONE.COM A/S
Registered	2006-09-15
Expires	2027-09-30 (347d)

📋 WHOIS#

⏱️ Lookup Timing#

90ms

69ms

63ms

AAAA

68ms

TXT

284ms

CAA

57ms

HTTPS

64ms

TLSA

148ms

SOA

51ms

MTA-STS

81ms

DNSSEC

259ms

SRV

135ms

Total

846ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-25 17:56:40	505ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 01:33:36	834ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-28 03:45:50	890ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 10:59:05	3089ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 16:57:29	1189ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 08:10:08 shown	846ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 00:12:40	872ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 04:53:30	747ms	2 NS 1 A 1 MX	🔒 Secure