rengserv.dk DNS records

🖥️ Nameservers2 records 36ms

Nameserver	IP addresses	PTR	ASN / ISP
dara.ns.cloudflare.com	108.162.192.91 172.64.32.91 173.245.58.91 2606:4700:50::adf5:3a5b 2803:f800:50::6ca2:c05b 2a06:98c1:50::ac40:205b	dara.ns.cloudflare.com dara.ns.cloudflare.com dara.ns.cloudflare.com dara.ns.cloudflare.com dara.ns.cloudflare.com dara.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
guy.ns.cloudflare.com	108.162.193.173 172.64.33.173 173.245.59.173 2606:4700:58::adf5:3bad 2803:f800:50::6ca2:c1ad 2a06:98c1:50::ac40:21ad	guy.ns.cloudflare.com guy.ns.cloudflare.com guy.ns.cloudflare.com guy.ns.cloudflare.com guy.ns.cloudflare.com guy.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.54.65	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.136.10	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records2 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1.gigahost.dk	46.183.139.11	mx1.gigahost.dk	AS47292 Sentia Denmark A/S
10	300s	mx2.gigahost.dk	46.183.139.12	mx2.gigahost.dk	AS47292 Sentia Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	rengserv.dk → 217.116.232.212
🔶 Autoconfig	rengserv.dk → 217.116.232.212

🔷 AAAA Records (IPv6)2 records 39ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:880a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::6815:3641	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 47ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.54.65,172.67.136.10 ech=AEX+DQBBggAgACBHclfMwy7DK1vdiZ9AuCfuwGxzs/GXAluTLq+3REqFJQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:880a,2606:4700:3034::6815:3641

📝 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
CNAME	_acme-challenge.rengserv.dk	rengserv.dk

🔗 TLSA / DANE

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

🔐 DNSSEC120ms

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	2410939067
Primary NS (MNAME)	dara.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

36ms

A

44ms

MX

36ms

AAAA

39ms

TXT

221ms

CAA

40ms

HTTPS

47ms

TLSA

58ms

SOA

0ms

MTA-STS

72ms

DNSSEC

120ms

SRV

8056ms

Total

8917ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-02 12:58:38	8917ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-07-18 05:59:31	10057ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-26 10:12:59	892ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-18 15:29:48	798ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-17 23:31:40	902ms	2 NS 2 A 2 MX	🔓 Insecure	View