upstairs.dk

📜 Historical scan 2026-08-30 11:38:12 · ← 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 29ms

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 26ms

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 40ms

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	172.67.218.132

🔷 AAAA Records (IPv6)#

2 records 31ms

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 32ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.17.12,172.67.218.132 ech=AEX+DQBBkQAgACBN60Dn0G1V/kSfekq3+A6F0ajLKKPW0zZkelZB0zV2GAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:da84,2606:4700:3032::6815:110c

📝 TXT Records#

1 records 160ms

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

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.upstairs.dk	JYaNzGf9A55g4ecrdqcqtzDTaSNxiLM4j9VIbqOCkC0
TXT	_acme-challenge.upstairs.dk	yXrC7siNlGKq8LU2cAaNnpJ5Xb95ONAJQ33GMBT0FkE

🔗 TLSA / DANE#

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

🔐 DNSSEC#

96ms

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	2413504880
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 (311d)

📋 WHOIS#

⏱️ Lookup Timing#

29ms

26ms

40ms

AAAA

31ms

TXT

160ms

CAA

37ms

HTTPS

32ms

TLSA

58ms

SOA

0ms

MTA-STS

47ms

DNSSEC

96ms

SRV

68ms

Total

985ms

🕐 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	756ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-30 11:38:12 shown	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