otsummit.dk

📜 Historical scan 2026-06-25 11:40:32 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

otsummit.dk is a .dk domain served by 2 nameservers (dean.ns.cloudflare.com, romina.ns.cloudflare.com). It was registered on 2 May 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.82.247 is hosted by Cloudflare, Inc. (AS13335). 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 254ms

Nameserver	IP addresses	PTR	ASN / ISP
dean.ns.cloudflare.com	108.162.193.153 172.64.33.153 173.245.59.153 2606:4700:58::adf5:3b99 2803:f800:50::6ca2:c199 2a06:98c1:50::ac40:2199	dean.ns.cloudflare.com dean.ns.cloudflare.com dean.ns.cloudflare.com dean.ns.cloudflare.com dean.ns.cloudflare.com dean.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
romina.ns.cloudflare.com	108.162.194.159 162.159.38.159 172.64.34.159 2606:4700:50::a29f:269f 2803:f800:50::6ca2:c29f 2a06:98c1:50::ac40:229f	romina.ns.cloudflare.com romina.ns.cloudflare.com romina.ns.cloudflare.com romina.ns.cloudflare.com romina.ns.cloudflare.com romina.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 222ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.82.247	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.166.54	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 217ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:a636	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:52f7	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 214ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.82.247,172.67.166.54 ech=AEX+DQBBawAgACB/lS+EVQIzFL1E1HnfMG6Xi/y9UGt4XqdM9ZI6CZV0fAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:a636,2606:4700:3036::6815:52f7

📝 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-14 18:12:41

www	104.21.82.247 172.67.166.54 2606:4700:3030::ac43:a636 2606:4700:3036::6815:52f7 (AS13335) (address records, no CNAME)
www vs bare domain	Same network otsummit.dk: 104.21.82.247 172.67.166.54 2606:4700:3030::ac43:a636 2606:4700:3036::6815:52f7 (AS13335) www.otsummit.dk: 104.21.82.247 172.67.166.54 2606:4700:3030::ac43:a636 2606:4700:3036::6815:52f7 (AS13335)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

503ms

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

🏷️ SOA#

217ms

Field	Value
Serial	2406232626
Primary NS (MNAME)	dean.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-01 02:55:57

Field	Value
Registrar	ONE.COM A/S
Registered	2026-05-02
Expires	2027-05-01 (191d)

📋 WHOIS#

⏱️ Lookup Timing#

254ms

222ms

223ms

AAAA

217ms

TXT

616ms

CAA

227ms

HTTPS

214ms

TLSA

208ms

SOA

217ms

MTA-STS

236ms

DNSSEC

503ms

SRV

257ms

Total

2500ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 05:19:40	610ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-01 02:30:25	1170ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-05 21:35:21	1698ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-03 23:57:53	16781ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-25 11:40:32 shown	2500ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-19 19:41:46	3211ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 23:27:57	3164ms	2 NS 2 A 0 MX	🔓 Insecure