crewo.dk

📜 Historical scan 2026-07-01 10:25:46 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

crewo.dk is a .dk domain served by 2 nameservers (chris.ns.cloudflare.com, gemma.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.55.173 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 118ms

Nameserver	IP addresses	PTR	ASN / ISP
chris.ns.cloudflare.com	108.162.193.85 172.64.33.85 173.245.59.85 2606:4700:58::adf5:3b55 2803:f800:50::6ca2:c155 2a06:98c1:50::ac40:2155	chris.ns.cloudflare.com chris.ns.cloudflare.com chris.ns.cloudflare.com chris.ns.cloudflare.com chris.ns.cloudflare.com chris.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
gemma.ns.cloudflare.com	108.162.194.27 162.159.38.27 172.64.34.27 2606:4700:50::a29f:261b 2803:f800:50::6ca2:c21b 2a06:98c1:50::ac40:221b	gemma.ns.cloudflare.com gemma.ns.cloudflare.com gemma.ns.cloudflare.com gemma.ns.cloudflare.com gemma.ns.cloudflare.com gemma.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 100ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.55.173	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.171.199	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.55.173
🔶 Autoconfig	172.67.171.199

🔷 AAAA Records (IPv6)#

2 records 125ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:37ad	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:abc7	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 112ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.55.173,172.67.171.199 ech=AEX+DQBBfAAgACAnKc4yusyj6KPBB1oRWg5HkuQyZ66cF1aZWUCC0LteQAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:37ad,2606:4700:3037::ac43:abc7

📝 TXT Records#

1 records 290ms

TXT Record
google-site-verification=UrdH7MtbyAL5QCe7IKRF2uEI-FHvrCF3_GsQeuzB29Y

✉️ 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 19:55:00

www	104.21.55.173 172.67.171.199 2606:4700:3031::6815:37ad 2606:4700:3037::ac43:abc7 (AS13335) (address records, no CNAME)
www vs bare domain	Same network crewo.dk: 104.21.55.173 172.67.171.199 2606:4700:3031::6815:37ad 2606:4700:3037::ac43:abc7 (AS13335) www.crewo.dk: 104.21.55.173 172.67.171.199 2606:4700:3031::6815:37ad 2606:4700:3037::ac43:abc7 (AS13335)
Wildcard	Yes: any name under the zone resolves

🔗 TLSA / DANE#

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

🔐 DNSSEC#

172ms

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	2407862460
Primary NS (MNAME)	chris.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#

118ms

100ms

120ms

AAAA

125ms

TXT

290ms

CAA

139ms

HTTPS

112ms

TLSA

712ms

SOA

0ms

MTA-STS

127ms

DNSSEC

172ms

SRV

142ms

Total

1604ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-29 12:53:08	639ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-24 12:00:10	773ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-21 16:32:14	1442ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-14 15:23:15	787ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-08 17:04:39	654ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-06 03:17:06	2594ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-02 17:27:35	1540ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-29 04:33:46	1497ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-21 12:48:52	948ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-20 12:33:43	5199ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-21 19:20:08	1808ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-11 22:57:50	2711ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-10 19:40:14	9784ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-01 10:25:46 shown	1604ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-21 00:29:58	999ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-16 22:56:03	485ms	2 NS 2 A 0 MX	🔓 Insecure