rendbaekconsulting.dk

📜 Historical scan 2026-09-11 10:41:33 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rendbaekconsulting.dk is a .dk domain served by 2 nameservers (carrera.ns.cloudflare.com, sullivan.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.32.187 is hosted by Cloudflare, Inc. (AS13335). 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#

2 records 150ms

Nameserver	IP addresses	PTR	ASN / ISP
carrera.ns.cloudflare.com	108.162.194.231 162.159.38.231 172.64.34.231 2606:4700:50::a29f:26e7 2803:f800:50::6ca2:c2e7 2a06:98c1:50::ac40:22e7	carrera.ns.cloudflare.com carrera.ns.cloudflare.com carrera.ns.cloudflare.com carrera.ns.cloudflare.com carrera.ns.cloudflare.com carrera.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sullivan.ns.cloudflare.com	108.162.195.161 162.159.44.161 172.64.35.161 2606:4700:58::a29f:2ca1 2803:f800:50::6ca2:c3a1 2a06:98c1:50::ac40:23a1	sullivan.ns.cloudflare.com sullivan.ns.cloudflare.com sullivan.ns.cloudflare.com sullivan.ns.cloudflare.com sullivan.ns.cloudflare.com sullivan.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 121ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.32.187	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.223.238	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.32.187
🔶 Autoconfig	172.67.223.238

🔷 AAAA Records (IPv6)#

2 records 109ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:20bb	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:dfee	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 134ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.32.187,172.67.223.238 ech=AEX+DQBB/QAgACBjY8XD+58/zkL+KXTQPw3sC60qaIxfVRTZXqP+SsXAHgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:20bb,2606:4700:3036::ac43:dfee

🔌 SRV Records#

1 records 147ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	cpanelemaildiscovery.cpanel.net

📝 TXT Records#

1 records 270ms

TXT Record
v=spf1 ip4:5.134.13.233 +a +mx ~all

✉️ SPF#

Policy	Record (rendbaekconsulting.dk)
~all (soft fail)	v=spf1 ip4:5.134.13.233 +a +mx ~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 2026-10-07 21:33:29

www	104.21.32.187 172.67.223.238 2606:4700:3032::6815:20bb 2606:4700:3036::ac43:dfee (AS13335) (address records, no CNAME)
www vs bare domain	Same network rendbaekconsulting.dk: 104.21.32.187 172.67.223.238 2606:4700:3032::6815:20bb 2606:4700:3036::ac43:dfee (AS13335) www.rendbaekconsulting.dk: 104.21.32.187 172.67.223.238 2606:4700:3032::6815:20bb 2606:4700:3036::ac43:dfee (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
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

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.rendbaekconsulting.dk	eXfFL9IY3cSberTQE3Qv__uaUW2qvw8JBJ1VR6sF2z8

🔗 TLSA / DANE#

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

🔐 DNSSEC#

167ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2414138843
Primary NS (MNAME)	carrera.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#

150ms

121ms

133ms

AAAA

109ms

TXT

270ms

CAA

123ms

HTTPS

134ms

TLSA

186ms

SOA

0ms

MTA-STS

139ms

DNSSEC

167ms

SRV

147ms

Total

1739ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-28 19:51:34	698ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-11 10:41:33 shown	1739ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-04 08:26:35	582ms	2 NS 2 A 0 MX	🔒 Secure
2026-08-22 12:11:52	7756ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-04 02:41:20	1474ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-18 08:15:42	986ms	2 NS 1 A 1 MX	🔓 Insecure