rentjysk.dk

📜 Historical scan 2026-08-10 05:25:29 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rentjysk.dk is a .dk domain served by 2 nameservers (dahlia.ns.cloudflare.com, peyton.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.90.104 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is not DNSSEC-signed, publishes a 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#

2 records 233ms

Nameserver	IP addresses	PTR	ASN / ISP
dahlia.ns.cloudflare.com	108.162.192.89 172.64.32.89 173.245.58.89 2606:4700:50::adf5:3a59 2803:f800:50::6ca2:c059 2a06:98c1:50::ac40:2059	dahlia.ns.cloudflare.com dahlia.ns.cloudflare.com dahlia.ns.cloudflare.com dahlia.ns.cloudflare.com dahlia.ns.cloudflare.com dahlia.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
peyton.ns.cloudflare.com	108.162.193.221 172.64.33.221 173.245.59.221 2606:4700:58::adf5:3bdd 2803:f800:50::6ca2:c1dd 2a06:98c1:50::ac40:21dd	peyton.ns.cloudflare.com peyton.ns.cloudflare.com peyton.ns.cloudflare.com peyton.ns.cloudflare.com peyton.ns.cloudflare.com peyton.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 156ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.90.104	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.199.218	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

5 records 135ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	600s	aspmx.l.google.com	142.251.127.27 2a00:1450:4001:c21::1a	lcfrai-in-f27.1e100.net lcfrai-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	600s	alt1.aspmx.l.google.com	142.250.147.26 2a00:1450:4025:c01::1b	rd-in-f26.1e100.net rd-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	600s	alt2.aspmx.l.google.com	172.253.152.26 2a00:1450:4010:c22::1a	yulpptr-in-f26.1e100.net yulpptr-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	600s	alt3.aspmx.l.google.com	192.178.211.26 2404:6800:4000:1025::1b	lcbomp-in-f26.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	600s	alt4.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 156ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:c7da	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:5a68	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 140ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.90.104,172.67.199.218 ech=AEX+DQBB2gAgACAxW8AULaGwtt4lCk2FEAGU4iiTDW/6MzJawJkYDNEWVwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:c7da,2606:4700:3037::6815:5a68

📝 TXT Records#

2 records 441ms

TXT Record
google-site-verification=jKKeIDdSPrp0_gbtm7CZ_4LJImBwEIoFuDAH-OLtZQs
v=spf1 include:spf.surf-down.net include:_spf.google.com ~all

✉️ SPF#

Policy	Record (rentjysk.dk)
~all (soft fail)	v=spf1 include:spf.surf-down.net include:_spf.google.com ~all

📨 DMARC#

Policy	Record (_dmarc.rentjysk.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:913f537e5cd6344@rep.dmarcanalyzer.com; sp=none;

📬 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 14:01:28

www	104.21.90.104 172.67.199.218 2606:4700:3033::ac43:c7da 2606:4700:3037::6815:5a68 (AS13335) (address records, no CNAME)
www vs bare domain	Same network rentjysk.dk: 104.21.90.104 172.67.199.218 2606:4700:3033::ac43:c7da 2606:4700:3037::6815:5a68 (AS13335) www.rentjysk.dk: 104.21.90.104 172.67.199.218 2606:4700:3033::ac43:c7da 2606:4700:3037::6815:5a68 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

error include:spf.surf-down.net has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

385ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2411730018
Primary NS (MNAME)	dahlia.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

233ms

156ms

135ms

AAAA

156ms

TXT

441ms

CAA

143ms

HTTPS

140ms

TLSA

399ms

SOA

0ms

MTA-STS

276ms

DNSSEC

385ms

SRV

281ms

Total

4708ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 14:01:28	1089ms	2 NS 2 A 5 MX	🔓 Insecure
2026-10-07 11:01:36	1228ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-30 07:27:50	544ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-23 23:08:23	744ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-08 11:03:34	2766ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-31 06:39:35	1740ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-10 05:25:29 shown	4708ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-21 05:21:23	864ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-17 20:02:11	3894ms	2 NS 2 A 5 MX	🔓 Insecure