upstairs.dk DNS records

🖥️ Nameservers2 records 26ms

Nameserver	IP addresses	PTR	ASN / ISP
rosa.ns.cloudflare.com	108.162.192.228 172.64.32.228 173.245.58.228 2606:4700:50::adf5:3ae4 2803:f800:50::6ca2:c0e4 2a06:98c1:50::ac40:20e4	rosa.ns.cloudflare.com rosa.ns.cloudflare.com rosa.ns.cloudflare.com rosa.ns.cloudflare.com rosa.ns.cloudflare.com rosa.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
uriah.ns.cloudflare.com	108.162.195.194 162.159.44.194 172.64.35.194 2606:4700:58::a29f:2cc2 2803:f800:50::6ca2:c3c2 2a06:98c1:50::ac40:23c2	uriah.ns.cloudflare.com uriah.ns.cloudflare.com uriah.ns.cloudflare.com uriah.ns.cloudflare.com uriah.ns.cloudflare.com uriah.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.17.12	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.218.132	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.upstairs.dk	91.200.34.90	v101.vh.net.pl	AS197155 Artnet Sp. z o.o.

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	172.67.218.132
🔶 Autoconfig	104.21.17.12

🔷 AAAA Records (IPv6)2 records 28ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:da84	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::6815:110c	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 26ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.17.12,172.67.218.132 ech=AEX+DQBBTwAgACAOmWlPq4z5qUDpGw2hdQCkGJB2jlJGHIBUXoIPWZLTWQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:da84,2606:4700:3032::6815:110c

📝 TXT Records1 records 162ms

TXT Record
v=spf1 include:spf.mailjet.com ?all

✉️ SPF

Policy	Record (upstairs.dk)
?all (neutral)	v=spf1 include:spf.mailjet.com ?all

📨 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)

🔐 DNSSEC107ms

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	2413634028
Primary NS (MNAME)	rosa.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

26ms

A

30ms

MX

36ms

AAAA

28ms

TXT

162ms

CAA

30ms

HTTPS

26ms

TLSA

60ms

SOA

0ms

MTA-STS

63ms

DNSSEC

107ms

SRV

61ms

Total

756ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 20:42:43	756ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-30 11:38:12	985ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-27 15:07:13	1052ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-26 17:09:20	9696ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-14 22:43:06	1477ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-23 14:00:59	1130ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-22 20:36:50	10790ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-22 13:55:03	900ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 04:07:26	800ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 12:08:48	1244ms	2 NS 2 A 1 MX	🔓 Insecure	View