yellotools.dk

📜 Historical scan 2026-08-25 13:10:05 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

yellotools.dk is a .dk domain served by 2 nameservers (jack.ns.cloudflare.com, wally.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.67.82 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, 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 55ms

Nameserver	IP addresses	PTR	ASN / ISP
jack.ns.cloudflare.com	108.162.193.121 172.64.33.121 173.245.59.121 2606:4700:58::adf5:3b79 2803:f800:50::6ca2:c179 2a06:98c1:50::ac40:2179	jack.ns.cloudflare.com jack.ns.cloudflare.com jack.ns.cloudflare.com jack.ns.cloudflare.com jack.ns.cloudflare.com jack.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
wally.ns.cloudflare.com	108.162.192.239 172.64.32.239 173.245.58.239 2606:4700:50::adf5:3aef 2803:f800:50::6ca2:c0ef 2a06:98c1:50::ac40:20ef	wally.ns.cloudflare.com wally.ns.cloudflare.com wally.ns.cloudflare.com wally.ns.cloudflare.com wally.ns.cloudflare.com wally.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 113ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.67.82	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.218.169	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	172.67.218.169
🔶 Autoconfig	104.21.67.82

🔷 AAAA Records (IPv6)#

2 records 104ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:daa9	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3031::6815:4352	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 85ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.67.82,172.67.218.169 ech=AEX+DQBB3gAgACCrNeffYBs54Ic9ySmupUCgFow0o7lg/fz5Dfsa4DNSIQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:daa9,2606:4700:3031::6815:4352

📝 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 2026-10-09 05:18:54

www	104.21.67.82 172.67.218.169 2606:4700:3030::ac43:daa9 2606:4700:3031::6815:4352 (AS13335) (address records, no CNAME)
www vs bare domain	Same network yellotools.dk: 104.21.67.82 172.67.218.169 2606:4700:3030::ac43:daa9 2606:4700:3031::6815:4352 (AS13335) www.yellotools.dk: 104.21.67.82 172.67.218.169 2606:4700:3030::ac43:daa9 2606:4700:3031::6815:4352 (AS13335)
Wildcard	Yes: any name under the zone resolves

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.yellotools.dk	fC3H1IjdMCVax3X656Oc_k7ESRDAYXQkp3YTYbv7TJk
TXT	_acme-challenge.yellotools.dk	ScsI2sWG6igXuQbnfzbkT7rkBOL7qtm5ESPcdL-iO5Q

🔗 TLSA / DANE#

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

🔐 DNSSEC#

258ms

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	2413115935
Primary NS (MNAME)	jack.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#

55ms

113ms

79ms

AAAA

104ms

TXT

484ms

CAA

110ms

HTTPS

85ms

TLSA

141ms

SOA

0ms

MTA-STS

123ms

DNSSEC

258ms

SRV

168ms

Total

1568ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 00:23:16	1363ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-25 10:10:28	9395ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-22 02:33:57	1044ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-30 10:19:57	1840ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-25 13:10:05 shown	1568ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-28 12:05:12	9769ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-26 17:53:10	1731ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-22 16:47:49	1175ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 03:53:26	695ms	2 NS 2 A 0 MX	⚠️ Bogus