interstuhl.dk

📜 Historical scan 2026-06-17 13:19:07 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

interstuhl.dk is a .dk domain served by 5 nameservers (ns.gbc.gmbh, ns.gbc.green, ns.gbc.jetzt and 2 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 80.154.78.86 is hosted by Deutsche Telekom AG (AS3320) in Germany. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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#

5 records 320ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.gbc.gmbh	49.12.121.173	ns.gbc.gmbh	AS24940 Hetzner Online GmbH
ns.gbc.green	192.174.68.104 2001:67c:1bc::104	ns.inwx.ch ns.inwx.de	AS1921 ipcom GmbH AS1921 ipcom GmbH
ns.gbc.jetzt	2a02:d500::53 45.87.158.53	ns3.inwx.eu c.xnameserver.de	AS48596 InterNetworX Management GmbH AS48596 InterNetworX Management GmbH
ns.gbc.red	176.97.158.104 2001:67c:10b8::104	ns.domrobot.net ns2.inwx.es	AS207021 ipcom GmbH AS1921 ipcom GmbH
ns.gbc.systems	212.97.96.154	ns.gbc.systems	AS24766 GBC GmbH Internet Service Center Ingenieurgesellschaft fuer Systemsoftware und Kommunikation

🌍 A Records#

1 records 274ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
80.154.78.86	—	—	AS3320	Deutsche Telekom AG	80.152.0.0/14	🇩🇪 Germany	Albstadt

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 557ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (interstuhl.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.interstuhl.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@interstuhl.de!10m; ruf=mailto:dmarc@interstuhl.de!10m; rf=afrf; sp=reject; ri=86400

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

1 records 1615ms

Flags	Tag	Value
0	issue	letsencrypt.org

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-08 03:58:58

www	80.154.78.86 (AS3320) (address records, no CNAME)
www vs bare domain	Same network interstuhl.dk: 80.154.78.86 (AS3320) www.interstuhl.dk: 80.154.78.86 (AS3320)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

306ms

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

🏷️ SOA#

215ms

Field	Value
Serial	2024091810
Primary NS (MNAME)	ns.gbc.systems
Responsible (RNAME)	support@gbc.net
Refresh	3600s
Retry	900s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

320ms

274ms

1603ms

AAAA

225ms

TXT

557ms

CAA

1615ms

HTTPS

116ms

TLSA

296ms

SOA

215ms

MTA-STS

97ms

DNSSEC

306ms

SRV

0ms

Total

2869ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 03:58:58	1662ms	5 NS 1 A 1 MX	🔓 Insecure
2026-09-26 22:45:35	1292ms	5 NS 1 A 1 MX	🔓 Insecure
2026-08-26 05:16:22	4306ms	5 NS 1 A 1 MX	🔓 Insecure
2026-06-30 00:26:26	1386ms	5 NS 1 A 1 MX	🔓 Insecure
2026-06-20 15:26:24	5826ms	5 NS 1 A 1 MX	🔓 Insecure
2026-06-17 13:19:07 shown	2869ms	5 NS 1 A 0 MX	🔓 Insecure