redgreenblue.dk DNS records

🖥️ Nameservers2 records 77ms

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 Records2 records 84ms

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 Records5 records 66ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	142.251.127.27 2a00:1450:4001:c21::1b	lcfrai-in-f27.1e100.net lcfrai-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	142.250.147.26 2a00:1450:4025:c01::1a	rd-in-f26.1e100.net rd-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	172.253.152.27 2a00:1450:4010:c22::1b	yulpptr-in-f27.1e100.net yulpptr-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	aspmx2.googlemail.com	142.250.147.27 2a00:1450:4025:c01::1b	rd-in-f27.1e100.net rd-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	aspmx3.googlemail.com	172.253.152.26 2a00:1450:4010:c22::1b	yulpptr-in-f26.1e100.net yulpptr-in-f27.1e100.net	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 Records1 records 76ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.19.222,172.67.190.106 ech=AEX+DQBBiwAgACCoYEswi766snEM1Gp0ayYPqu2x9pZMVUAdRnjU1YoPeQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA=

📝 TXT Records2 records 301ms

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

🔏 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)

🔐 DNSSEC195ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2413730435
Primary NS (MNAME)	elliot.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

77ms

A

84ms

MX

66ms

AAAA

85ms

TXT

301ms

CAA

88ms

HTTPS

76ms

TLSA

205ms

SOA

0ms

MTA-STS

135ms

DNSSEC

195ms

SRV

159ms

Total

1472ms

🕐 Scan History

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