zettabyte.dk

📜 Historical scan 2026-06-19 17:27:44 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

zettabyte.dk is a .dk domain served by 2 nameservers (may.ns.cloudflare.com, owen.ns.cloudflare.com). It was registered on 26 September 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.86.89 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.zoho.eu, mx2.zoho.eu and 1 more. 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 52ms

Nameserver	IP addresses	PTR	ASN / ISP
may.ns.cloudflare.com	108.162.192.135 172.64.32.135 173.245.58.135 2606:4700:50::adf5:3a87 2803:f800:50::6ca2:c087 2a06:98c1:50::ac40:2087	may.ns.cloudflare.com may.ns.cloudflare.com may.ns.cloudflare.com may.ns.cloudflare.com may.ns.cloudflare.com may.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
owen.ns.cloudflare.com	108.162.193.219 172.64.33.219 173.245.59.219 2606:4700:58::adf5:3bdb 2803:f800:50::6ca2:c1db 2a06:98c1:50::ac40:21db	owen.ns.cloudflare.com owen.ns.cloudflare.com owen.ns.cloudflare.com owen.ns.cloudflare.com owen.ns.cloudflare.com owen.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 53ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.86.89	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.217.50	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

3 records 57ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx.zoho.eu	185.20.209.166 185.20.209.166 185.20.209.166 185.230.214.166 185.230.214.166 185.230.214.166	mx.zoho.eu mx2.zoho.eu mx3.zoho.eu mx.zoho.eu mx2.zoho.eu mx3.zoho.eu	AS41913 Computerline GmbH AS41913 Computerline GmbH AS41913 Computerline GmbH AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V
20	300s	mx2.zoho.eu	89.36.170.166 89.36.170.166 89.36.170.166	mx2.zoho.eu mx3.zoho.eu mx.zoho.eu	AS41913 Computerline GmbH AS41913 Computerline GmbH AS41913 Computerline GmbH
50	300s	mx3.zoho.eu	185.230.212.166 185.230.212.166 185.230.212.166	mx.zoho.eu mx3.zoho.eu mx2.zoho.eu	AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V

🔷 AAAA Records (IPv6)#

2 records 52ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:5659	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:d932	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 54ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.86.89,172.67.217.50 ech=AEX+DQBBoQAgACB/+vLS9k6Bir4o3pXU7PtIV1RhZw+ymD3RGGd4uFcpZgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:5659,2606:4700:3034::ac43:d932

📝 TXT Records#

3 records 387ms

TXT Record
google-site-verification=qG86xnAjXNieWglq3ZmWNuIYgFcPAeUBBvQVaWg9zC4
v=spf1 include:zoho.eu ~all
zoho-verification=zb64579516.zmverify.zoho.eu

✉️ SPF#

Policy	Record (zettabyte.dk)
~all (soft fail)	v=spf1 include:zoho.eu ~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 2026-10-21 04:30:19

www	104.21.86.89 172.67.217.50 2606:4700:3031::6815:5659 2606:4700:3035::ac43:d932 (AS13335) (address records, no CNAME)
www vs bare domain	Same network zettabyte.dk: 104.21.86.89 172.67.217.50 2606:4700:3031::6815:5659 2606:4700:3035::ac43:d932 (AS13335) www.zettabyte.dk: 104.21.86.89 172.67.217.50 2606:4700:3031::6815:5659 2606:4700:3035::ac43:d932 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

129ms

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

🏷️ SOA#

66ms

Field	Value
Serial	2405861265
Primary NS (MNAME)	may.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-20 01:21:50

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2002-09-26
Expires	2028-09-30 (709d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

52ms

53ms

57ms

AAAA

52ms

TXT

387ms

CAA

49ms

HTTPS

54ms

TLSA

2098ms

SOA

66ms

MTA-STS

37ms

DNSSEC

129ms

SRV

1838ms

Total

6323ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-21 04:30:19	1358ms	2 NS 2 A 3 MX	🔓 Insecure
2026-10-04 00:41:19	612ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-29 15:21:48	1951ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-28 02:12:21	1119ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-26 01:30:20	788ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-14 15:48:06	1688ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-05 06:32:52	9788ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-27 05:17:54	719ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-25 11:21:56	623ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-02 23:45:41	1296ms	2 NS 2 A 3 MX	❓ Unknown
2026-06-19 17:27:44 shown	6323ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-18 01:15:52	2836ms	2 NS 2 A 3 MX	🔓 Insecure