crewo.dk

📜 Historical scan 2026-07-11 22:57:50 · ← 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 41ms

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 41ms

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 35ms

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 32ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.55.173,172.67.171.199 ech=AEX+DQBBEAAgACAB/IpY2CfeYkyvcZJayTKhxDltnuEZRqtSDC0uuPsBXAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:37ad,2606:4700:3037::ac43:abc7

📝 TXT Records#

1 records 203ms

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#

2049ms

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	2409234299
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#

41ms

33ms

AAAA

35ms

TXT

203ms

CAA

39ms

HTTPS

32ms

TLSA

53ms

SOA

0ms

MTA-STS

46ms

DNSSEC

2049ms

SRV

57ms

Total

2711ms

🕐 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 shown	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	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