codereview.dk

📜 Historical scan 2026-08-28 16:41:46 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

codereview.dk is a .dk domain served by 2 nameservers (ara.ns.cloudflare.com, cris.ns.cloudflare.com). It was registered on 4 December 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.35.41 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, 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 38ms

Nameserver	IP addresses	PTR	ASN / ISP
ara.ns.cloudflare.com	108.162.192.67 172.64.32.67 173.245.58.67 2606:4700:50::adf5:3a43 2803:f800:50::6ca2:c043 2a06:98c1:50::ac40:2043	ara.ns.cloudflare.com ara.ns.cloudflare.com ara.ns.cloudflare.com ara.ns.cloudflare.com ara.ns.cloudflare.com ara.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
cris.ns.cloudflare.com	108.162.195.202 162.159.44.202 172.64.35.202 2606:4700:58::a29f:2cca 2803:f800:50::6ca2:c3ca 2a06:98c1:50::ac40:23ca	cris.ns.cloudflare.com cris.ns.cloudflare.com cris.ns.cloudflare.com cris.ns.cloudflare.com cris.ns.cloudflare.com cris.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 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.35.41	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.213.46	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

5 records 25ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	142.251.1.26 2a00:1450:4025:c03::1a	lb-in-f26.1e100.net rc-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	aspmx2.googlemail.com	192.178.211.27 2404:6800:4000:1025::1b	lcbomp-in-f27.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	aspmx3.googlemail.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 34ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:d52e	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:2329	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 28ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.35.41,172.67.213.46 ech=AEX+DQBB8gAgACDHL35BlWDKWz22DYtOK4TpRMUwpkRrAmRPvUVhVtpJLgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:d52e,2606:4700:3037::6815:2329

📝 TXT Records#

1 records 145ms

TXT Record
google-site-verification=nLXIg48SuLJNU2Swn4JQT-EekcOc9H5dmND_nW2hoIg

✉️ 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 2026-10-10 09:44:58

www	104.21.35.41 172.67.213.46 2606:4700:3030::ac43:d52e 2606:4700:3037::6815:2329 (AS13335) (address records, no CNAME)
www vs bare domain	Same network codereview.dk: 188.114.96.1 188.114.97.1 2606:4700:3030::ac43:d52e 2606:4700:3037::6815:2329 (AS13335) www.codereview.dk: 104.21.35.41 172.67.213.46 2606:4700:3030::ac43:d52e 2606:4700:3037::6815:2329 (AS13335)
Wildcard	No

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.codereview.dk	EMexNXnWCytsJFUU_4yBRxNdTCcgm5m3xuBZzzthdvA
TXT	_acme-challenge.codereview.dk	Gm-_kMrxUecK4cHgw1Y5NQ7VeMyqAcgXXWDfBgQBp-Q

🔗 TLSA / DANE#

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

🔐 DNSSEC#

97ms

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	2413339335
Primary NS (MNAME)	ara.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-02 12:49:47

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2015-12-04
Expires	2026-12-31 (74d)

📋 WHOIS#

⏱️ Lookup Timing#

38ms

50ms

25ms

AAAA

34ms

TXT

145ms

CAA

33ms

HTTPS

28ms

TLSA

114ms

SOA

0ms

MTA-STS

50ms

DNSSEC

97ms

SRV

48ms

Total

758ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 12:34:08	1892ms	2 NS 2 A 5 MX	🔓 Insecure
2026-10-01 12:32:00	964ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-30 12:27:37	678ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-25 14:51:14	767ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-24 08:27:54	1962ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-23 08:22:18	1226ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-29 17:21:14	3257ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-28 16:41:46 shown	758ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-27 15:44:53	2763ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-05 22:48:24	1634ms	2 NS 2 A 5 MX	🔓 Insecure
2026-07-25 05:59:06	2840ms	2 NS 2 A 5 MX	🔓 Insecure
2026-07-03 04:37:20	1034ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-20 18:44:29	611ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-19 21:10:48	1093ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-16 21:47:29	491ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-16 21:40:03	919ms	2 NS 2 A 5 MX	❓ Unknown