rkt.dk DNS records

🖥️ Nameservers2 records 43ms

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.
kim.ns.cloudflare.com	108.162.192.126 172.64.32.126 173.245.58.126 2606:4700:50::adf5:3a7e 2803:f800:50::6ca2:c07e 2a06:98c1:50::ac40:207e	kim.ns.cloudflare.com kim.ns.cloudflare.com kim.ns.cloudflare.com kim.ns.cloudflare.com kim.ns.cloudflare.com kim.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.33.252	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.152.18	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 30ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	SMTP.GOOGLE.COM	173.194.220.26 173.194.220.27 173.194.221.26 2a00:1450:4010:c06::1a 2a00:1450:4010:c06::1a 2a00:1450:4010:c06::1b 2a00:1450:4010:c06::1b 2a00:1450:4010:c09::1a 2a00:1450:4010:c09::1a 2a00:1450:4010:c09::1b 2a00:1450:4010:c09::1b 64.233.163.26 64.233.163.27	lk-in-f26.1e100.net lk-in-f27.1e100.net lm-in-f26.1e100.net lj-in-f26.1e100.net lj-in-x1a.1e100.net lj-in-f27.1e100.net lj-in-x1b.1e100.net lk-in-f26.1e100.net lk-in-x1a.1e100.net lk-in-f27.1e100.net lk-in-x1b.1e100.net lj-in-f26.1e100.net lj-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	172.67.152.18
🔶 Autoconfig	172.67.152.18

🔷 AAAA Records (IPv6)2 records 43ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::6815:21fc	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:9812	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 41ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.33.252,172.67.152.18 ech=AEX+DQBBfAAgACBhkKfZrq8VdKvHn+TBYTJAvQR6/B0psmqgGa/fFeAqawAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:21fc,2606:4700:3037::ac43:9812

🔌 SRV Records1 records 73ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	whm01.yayhosting.dk

📝 TXT Records3 records 220ms

TXT Record
google-site-verification=umggcK2gMmRw-Rryid_W0nSJ966xDKczseD7-MiWAOo
v=spf1 +include:_spf.yayhosting.dk -all
v=spf1 ip4:195.242.130.46 include:_spf.yayhosting.dk -all

✉️ SPF

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

Policy	Record (rkt.dk)
-all (hard fail)	v=spf1 +include:_spf.yayhosting.dk -all
-all (hard fail)	v=spf1 ip4:195.242.130.46 include:_spf.yayhosting.dk -all

📨 DMARC

Policy	Record (_dmarc.rkt.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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.rkt.dk	o2jjc9C07tVQgbbJui7dWXwmwi_zwM_EoB0KM2aOXTo

🔗 TLSA / DANE

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

🔐 DNSSEC2107ms

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	2411854360
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 — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

43ms

A

41ms

MX

30ms

AAAA

43ms

TXT

220ms

CAA

39ms

HTTPS

41ms

TLSA

62ms

SOA

0ms

MTA-STS

78ms

DNSSEC

2107ms

SRV

73ms

Total

2663ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 09:34:42	2663ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-11 04:03:05	1732ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-16 06:53:53	1181ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-25 05:58:53	927ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-20 17:31:53	1290ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 22:09:03	1029ms	2 NS 2 A 1 MX	🔓 Insecure	View