upstairs.dk

📜 Historical scan 2026-08-31 20:42:43 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

upstairs.dk is a .dk domain served by 2 nameservers (rosa.ns.cloudflare.com, uriah.ns.cloudflare.com). It was registered on 11 August 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.17.12 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.upstairs.dk. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 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 Records#

2 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 Records#

1 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 Records#

1 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 Records#

1 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-08 06:03:01

www	104.21.17.12 172.67.218.132 2606:4700:3031::ac43:da84 2606:4700:3032::6815:110c (AS13335) (address records, no CNAME)
www vs bare domain	Same network upstairs.dk: 104.21.17.12 172.67.218.132 2606:4700:3031::ac43:da84 2606:4700:3032::6815:110c (AS13335) www.upstairs.dk: 104.21.17.12 172.67.218.132 2606:4700:3031::ac43:da84 2606:4700:3032::6815:110c (AS13335)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ?all

warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

107ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

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#

WHOIS fetched 2026-10-11 08:37:33

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2004-08-11
Expires	2027-08-31 (313d)

📋 WHOIS#

⏱️ Lookup Timing#

26ms

30ms

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
2026-10-08 06:03:01	847ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 03:03:43	1235ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-17 20:55:21	714ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-13 16:05:14	989ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-31 20:42:43 shown	756ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-30 11:38:12	985ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-27 15:07:13	1052ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-26 17:09:20	9696ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-14 22:43:06	1477ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-23 14:00:59	1130ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-22 20:36:50	10790ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-22 13:55:03	900ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-22 04:07:26	800ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 12:08:48	1244ms	2 NS 2 A 1 MX	🔓 Insecure