redgreenblue.dk

📜 Historical scan 2026-08-28 04:55:21 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

redgreenblue.dk is a .dk domain served by 2 nameservers (elliot.ns.cloudflare.com, tegan.ns.cloudflare.com). It was registered on 14 November 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.19.222 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 has no IPv6 address. 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 52ms

Nameserver	IP addresses	PTR	ASN / ISP
elliot.ns.cloudflare.com	108.162.193.162 172.64.33.162 173.245.59.162 2606:4700:58::adf5:3ba2 2803:f800:50::6ca2:c1a2 2a06:98c1:50::ac40:21a2	elliot.ns.cloudflare.com elliot.ns.cloudflare.com elliot.ns.cloudflare.com elliot.ns.cloudflare.com elliot.ns.cloudflare.com elliot.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
tegan.ns.cloudflare.com	108.162.192.226 172.64.32.226 173.245.58.226 2606:4700:50::adf5:3ae2 2803:f800:50::6ca2:c0e2 2a06:98c1:50::ac40:20e2	tegan.ns.cloudflare.com tegan.ns.cloudflare.com tegan.ns.cloudflare.com tegan.ns.cloudflare.com tegan.ns.cloudflare.com tegan.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 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.19.222	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.190.106	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

5 records 56ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	142.251.1.26 2a00:1450:4010:c1c::1a	lb-in-f26.1e100.net la-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	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1b	yukulwh-in-f26.1e100.net mad01s14-in-f26.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	300s	aspmx2.googlemail.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	aspmx3.googlemail.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1a	yukulwh-in-f27.1e100.net mad01s14-in-f27.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	151.248.16.28
🔶 Autoconfig	151.248.16.28

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

1 records 53ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.19.222,172.67.190.106 ech=AEX+DQBBuQAgACB9vsRVxsKcL2Mu7UmPq3EASQpYtG0h7TlezZEybwJJVwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA=

📝 TXT Records#

2 records 211ms

TXT Record
google-site-verification=XkBehpv5-t9HIYXl5rtmLc-iR-Uw9C13vqxhCprhRts
v=spf1 include:_spf.google.com include:sendgrid.net include:spf.mandrillapp.com ~all

✉️ SPF#

Policy	Record (redgreenblue.dk)
~all (soft fail)	v=spf1 include:_spf.google.com include:sendgrid.net include:spf.mandrillapp.com ~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 2026-10-10 05:40:27

www	104.21.19.222 172.67.190.106 (AS13335) (address records, no CNAME)
www vs bare domain	Same network redgreenblue.dk: 104.21.19.222 172.67.190.106 (AS13335) www.redgreenblue.dk: 104.21.19.222 172.67.190.106 (AS13335)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.redgreenblue.dk	ybDvLxjT8dhyZya9qSsm3hIMuzx72zzfTriYO0HZBM4

🔗 TLSA / DANE#

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

🔐 DNSSEC#

89ms

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	2410822204
Primary NS (MNAME)	elliot.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-08 00:08:27

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2013-11-14
Expires	2026-11-30 (41d)

📋 WHOIS#

⏱️ Lookup Timing#

52ms

40ms

56ms

AAAA

48ms

TXT

211ms

CAA

58ms

HTTPS

53ms

TLSA

93ms

SOA

0ms

MTA-STS

84ms

DNSSEC

89ms

SRV

88ms

Total

859ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-26 21:12:34	1394ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-06 06:33:23	1320ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-01 22:06:36	1472ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-31 14:27:51	861ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-31 06:22:25	2090ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-28 04:55:21 shown	859ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-26 18:46:49	2947ms	2 NS 2 A 5 MX	🔓 Insecure
2026-07-30 05:04:02	17721ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-20 10:37:47	699ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-20 03:21:43	1024ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-17 22:40:50	1097ms	2 NS 2 A 5 MX	🔓 Insecure