instaeftersyn.dk

📜 Historical scan 2026-09-20 20:48:40 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

instaeftersyn.dk is a .dk domain served by 2 nameservers (irma.ns.cloudflare.com, mario.ns.cloudflare.com). It was registered on 9 May 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.3.162 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 96ms

Nameserver	IP addresses	PTR	ASN / ISP
irma.ns.cloudflare.com	108.162.192.166 172.64.32.166 173.245.58.166 2606:4700:50::adf5:3aa6 2803:f800:50::6ca2:c0a6 2a06:98c1:50::ac40:20a6	irma.ns.cloudflare.com irma.ns.cloudflare.com irma.ns.cloudflare.com irma.ns.cloudflare.com irma.ns.cloudflare.com irma.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mario.ns.cloudflare.com	108.162.193.203 172.64.33.203 173.245.59.203 2606:4700:58::adf5:3bcb 2803:f800:50::6ca2:c1cb 2a06:98c1:50::ac40:21cb	mario.ns.cloudflare.com mario.ns.cloudflare.com mario.ns.cloudflare.com mario.ns.cloudflare.com mario.ns.cloudflare.com mario.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 127ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.3.162	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.130.239	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 124ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:3a2	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::ac43:82ef	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 204ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.3.162,172.67.130.239 ech=AEX+DQBBlAAgACAE5aRpNU24fbo/avWZB3kPy/MZ97mC1PqT5Bp9iJXUNgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:3a2,2606:4700:3032::ac43:82ef

📝 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 2026-10-15 03:27:55

www	104.21.3.162 172.67.130.239 2606:4700:3032::6815:3a2 2606:4700:3032::ac43:82ef (AS13335) (address records, no CNAME)
www vs bare domain	Same network instaeftersyn.dk: 104.21.3.162 172.67.130.239 2606:4700:3032::6815:3a2 2606:4700:3032::ac43:82ef (AS13335) www.instaeftersyn.dk: 104.21.3.162 172.67.130.239 2606:4700:3032::6815:3a2 2606:4700:3032::ac43:82ef (AS13335)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

224ms

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	2415240394
Primary NS (MNAME)	irma.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-05 13:22:33

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2018-05-09
Expires	2027-05-31 (225d)

📋 WHOIS#

⏱️ Lookup Timing#

96ms

127ms

150ms

AAAA

124ms

TXT

436ms

CAA

133ms

HTTPS

204ms

TLSA

709ms

SOA

0ms

MTA-STS

130ms

DNSSEC

224ms

SRV

198ms

Total

1714ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 13:45:55	505ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-23 22:26:18	607ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-20 20:48:40 shown	1714ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-28 09:39:47	9711ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-25 05:40:23	852ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-21 18:32:22	9669ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-30 08:23:00	830ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-18 16:58:02	1243ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 15:17:03	275ms	0 NS 0 A 0 MX	❓ Unknown