redsystem.dk DNS records

🖥️ Nameservers2 records 47ms

Nameserver	IP addresses	PTR	ASN / ISP
ada.ns.cloudflare.com	108.162.192.54 172.64.32.54 173.245.58.54 2606:4700:50::adf5:3a36 2803:f800:50::6ca2:c036 2a06:98c1:50::ac40:2036	ada.ns.cloudflare.com ada.ns.cloudflare.com ada.ns.cloudflare.com ada.ns.cloudflare.com ada.ns.cloudflare.com ada.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ivan.ns.cloudflare.com	108.162.193.120 172.64.33.120 173.245.59.120 2606:4700:58::adf5:3b78 2803:f800:50::6ca2:c178 2a06:98c1:50::ac40:2178	ivan.ns.cloudflare.com ivan.ns.cloudflare.com ivan.ns.cloudflare.com ivan.ns.cloudflare.com ivan.ns.cloudflare.com ivan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 66ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.71.158	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.146.87	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records5 records 48ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	172.253.152.26 2a00:1450:4010:c1e::1b	yulpptr-in-f26.1e100.net lb-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.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
5	300s	alt2.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1a	so-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	alt3.aspmx.l.google.com	108.177.125.27 2404:6800:4008:c01::1a	tp-in-f27.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	alt4.aspmx.l.google.com	192.178.230.27 2404:6800:400b:c01b::1a	yunrtab-in-f27.1e100.net yunrtab-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)2 records 47ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:479e	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:9257	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 55ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.71.158,172.67.146.87 ech=AEX+DQBBUgAgACBpavF1kQlXJuPTPPpBLv7XkERPOoVPsEd9uegQdcd6NwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:479e,2606:4700:3036::ac43:9257

📝 TXT Records2 records 253ms

TXT Record
1password-site-verification=XBGXQG627ZEZ5DRZW63MSP2ZTE
v=spf1 include:_spf.google.com -all

✉️ SPF

Policy	Record (redsystem.dk)
-all (hard fail)	v=spf1 include:_spf.google.com -all

📨 DMARC

Policy	Record (_dmarc.redsystem.dk)
p=reject	v=DMARC1; p=reject; sp=reject; rf=afrf; fo=1:d:s; pct=100; ri=86400; adkim=s; aspf=s; rua=mailto:66645184cc164baa8bad747f953710e1@dmarc-reports.cloudflare.net;

📬 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

🔗 TLSA / DANE

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

🔐 DNSSEC165ms

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

🏷️ SOA45ms

Field	Value
Serial	2407206875
Primary NS (MNAME)	ada.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

47ms

A

66ms

MX

48ms

AAAA

47ms

TXT

253ms

CAA

55ms

HTTPS

55ms

TLSA

128ms

SOA

45ms

MTA-STS

77ms

DNSSEC

165ms

SRV

97ms

Total

2998ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-03 12:59:35	9624ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-08-31 22:23:24	9910ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-08-28 08:42:36	1122ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-08-27 14:56:45	715ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-08-16 10:15:41	9971ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-08-04 05:22:31	9337ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-07-22 17:03:28	1927ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-07-12 18:11:03	1774ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-07-02 09:54:47	2998ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-06-20 16:59:01	955ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-06-17 14:33:49	2201ms	2 NS 2 A 5 MX	🔓 Insecure	View