rmbio.dk DNS records

🖥️ Nameservers2 records 45ms

Nameserver	IP addresses	PTR	ASN / ISP
brenda.ns.cloudflare.com	108.162.192.77 172.64.32.77 173.245.58.77 2606:4700:50::adf5:3a4d 2803:f800:50::6ca2:c04d 2a06:98c1:50::ac40:204d	brenda.ns.cloudflare.com brenda.ns.cloudflare.com brenda.ns.cloudflare.com brenda.ns.cloudflare.com brenda.ns.cloudflare.com brenda.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
everton.ns.cloudflare.com	108.162.195.201 162.159.44.201 172.64.35.201 2606:4700:58::a29f:2cc9 2803:f800:50::6ca2:c3c9 2a06:98c1:50::ac40:23c9	everton.ns.cloudflare.com everton.ns.cloudflare.com everton.ns.cloudflare.com everton.ns.cloudflare.com everton.ns.cloudflare.com everton.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 51ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.91.162	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.175.135	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 53ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:5ba2	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:af87	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=104.21.91.162,172.67.175.135 ech=AEX+DQBBMgAgACAK/5fTb2SGmh/d1ROuV4VvD+I4hyBiYZFs3xtD623NJQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:5ba2,2606:4700:3037::ac43:af87

📝 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

🔗 TLSA / DANE

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

🔐 DNSSEC99ms

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	2408568838
Primary NS (MNAME)	brenda.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

45ms

A

51ms

MX

48ms

AAAA

53ms

TXT

210ms

CAA

65ms

HTTPS

55ms

TLSA

58ms

SOA

0ms

MTA-STS

89ms

DNSSEC

99ms

SRV

80ms

Total

589ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 06:31:06	589ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-03 15:30:01	2393ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-29 00:27:21	1831ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-24 02:25:16	5403ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-22 12:48:24	997ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 23:14:33	521ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-20 21:25:12	1073ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-20 17:23:00	1059ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-19 03:06:49	919ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 15:23:36	747ms	4 NS 1 A 1 MX	🔓 Insecure	View