rentank.dk

📜 Historical scan 2026-06-18 00:02:41 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rentank.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 11 December 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 23.227.38.65 is hosted by Cloudflare, Inc. (AS13335) in Canada. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. 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#

3 records 47ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
23.227.38.65	—	myshopify.com	AS13335	Cloudflare, Inc.	23.227.38.0/23	🇨🇦 Canada	Ottawa

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

1 records 82ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2620:127:f00f:5::	—	—	AS13335	Cloudflare, Inc.	2620:127:f00c:0:0:0:0:0/46	🇨🇦 Canada	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 280ms

TXT Record
v=spf1 include:shops.shopify.com include:spf.simply.com -all

✉️ SPF#

Policy	Record (rentank.dk)
-all (hard fail)	v=spf1 include:shops.shopify.com include:spf.simply.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 2026-10-09 10:44:10

www CNAME	shops.myshopify.com (all on myshopify.com) → 23.227.38.74 2620:127:f00f:e:: (AS13335)
www vs bare domain	Same network rentank.dk: 23.227.38.65 2620:127:f00f:5:: (AS13335) www.rentank.dk: 23.227.38.74 2620:127:f00f:e:: (AS13335)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 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#

71ms

Field	Value
Serial	2026020200
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-13 08:21:38

Field	Value
Registrar	Simply.com A/S
Registered	2023-12-11
Expires	2027-12-10 (410d)

🔗 Same registrant#

2 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
danishcleanwater.dk	Simply.com A/S
neuthox.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

47ms

34ms

43ms

AAAA

82ms

TXT

280ms

CAA

48ms

HTTPS

32ms

TLSA

63ms

SOA

71ms

MTA-STS

47ms

DNSSEC

107ms

SRV

114ms

Total

638ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 10:44:10	510ms	3 NS 1 A 0 MX	🔒 Secure
2026-10-03 00:42:37	456ms	3 NS 1 A 0 MX	🔒 Secure
2026-06-25 03:16:33	427ms	3 NS 1 A 0 MX	🔒 Secure
2026-06-21 23:04:51	1136ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 00:02:41 shown	638ms	3 NS 1 A 0 MX	🔒 Secure