rubberguard.dk DNS records

🖥️ Nameservers2 records 29ms

Nameserver	IP addresses	PTR	ASN / ISP
jack.ns.cloudflare.com	108.162.193.121 172.64.33.121 173.245.59.121 2606:4700:58::adf5:3b79 2803:f800:50::6ca2:c179 2a06:98c1:50::ac40:2179	jack.ns.cloudflare.com jack.ns.cloudflare.com jack.ns.cloudflare.com jack.ns.cloudflare.com jack.ns.cloudflare.com jack.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ophelia.ns.cloudflare.com	108.162.194.248 162.159.38.248 172.64.34.248 2606:4700:50::a29f:26f8 2803:f800:50::6ca2:c2f8 2a06:98c1:50::ac40:22f8	ophelia.ns.cloudflare.com ophelia.ns.cloudflare.com ophelia.ns.cloudflare.com ophelia.ns.cloudflare.com ophelia.ns.cloudflare.com ophelia.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 25ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.82.188	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.162.59	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 29ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:a23b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::6815:52bc	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 28ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.82.188,172.67.162.59 ech=AEX+DQBB4wAgACC4fsfBA0wpiChSKINLH/16AWAXDv3Vw0exD3YK6FDsUgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:a23b,2606:4700:3032::6815:52bc

📝 TXT Records

📝

No TXT records found

✉️ 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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.rubberguard.dk	UsYEKTEXWcoZaAPLsEb-uIYvmdPfWTUz9kVayB6zhpE
TXT	_acme-challenge.rubberguard.dk	ggBxRUSpepYBKS-VGv75cE9y9CPzr8iqZcpdWoapcRA

🔗 TLSA / DANE

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

🔐 DNSSEC103ms

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	2413677077
Primary NS (MNAME)	jack.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

29ms

A

25ms

MX

24ms

AAAA

29ms

TXT

131ms

CAA

25ms

HTTPS

28ms

TLSA

44ms

SOA

0ms

MTA-STS

44ms

DNSSEC

103ms

SRV

51ms

Total

980ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 00:41:44	980ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-04 22:55:18	1099ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-30 21:18:17	965ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-24 22:40:38	1636ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-23 07:41:42	1521ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-21 08:38:42	1033ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-21 05:35:05	1057ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 03:37:37	1265ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-20 19:38:20	1166ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 02:19:38	715ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-18 04:28:25	858ms	4 NS 1 A 1 MX	🔓 Insecure	View