zoller-byg.dk

📜 Historical scan 2026-07-17 20:38:13 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

zoller-byg.dk is a .dk domain served by 2 nameservers (chris.ns.cloudflare.com, dell.ns.cloudflare.com). It was registered on 30 May 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.67.117 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.onlinemail.io, mx2.onlinemail.io. The zone is not DNSSEC-signed, publishes a 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 228ms

Nameserver	IP addresses	PTR	ASN / ISP
chris.ns.cloudflare.com	108.162.193.85 172.64.33.85 173.245.59.85 2606:4700:58::adf5:3b55 2803:f800:50::6ca2:c155 2a06:98c1:50::ac40:2155	chris.ns.cloudflare.com chris.ns.cloudflare.com chris.ns.cloudflare.com chris.ns.cloudflare.com chris.ns.cloudflare.com chris.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
dell.ns.cloudflare.com	108.162.192.94 172.64.32.94 173.245.58.94 2606:4700:50::adf5:3a5e 2803:f800:50::6ca2:c05e 2a06:98c1:50::ac40:205e	dell.ns.cloudflare.com dell.ns.cloudflare.com dell.ns.cloudflare.com dell.ns.cloudflare.com dell.ns.cloudflare.com dell.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 258ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.67.117	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.221.215	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

2 records 244ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1.onlinemail.io	185.21.42.12	mx1.onlinemail.io	AS48854 team.blue Denmark A/S
20	300s	mx2.onlinemail.io	46.36.208.16	mx2.onlinemail.io	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.67.117
🔶 Autoconfig	104.21.67.117

🔷 AAAA Records (IPv6)#

2 records 228ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:ddd7	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:4375	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 203ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.67.117,172.67.221.215 ech=AEX+DQBBFAAgACBYufLMJc6455W+wuXZUe8zialO6+ucnE9cwOMf51WIdwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:ddd7,2606:4700:3035::6815:4375

📝 TXT Records#

1 records 488ms

TXT Record
v=spf1 include:spf.onlinemail.io -all

✉️ SPF#

Policy	Record (zoller-byg.dk)
-all (hard fail)	v=spf1 include:spf.onlinemail.io -all

📨 DMARC#

Policy	Record (_dmarc.zoller-byg.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 06:32:50

www	104.21.67.117 172.67.221.215 2606:4700:3031::6815:4375 2606:4700:3033::ac43:ddd7 (AS13335) (address records, no CNAME)
www vs bare domain	Same network zoller-byg.dk: 104.21.67.117 172.67.221.215 2606:4700:3031::6815:4375 2606:4700:3033::ac43:ddd7 (AS13335) www.zoller-byg.dk: 104.21.67.117 172.67.221.215 2606:4700:3031::6815:4375 2606:4700:3033::ac43:ddd7 (AS13335)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

2 found

Selector	CNAME	Key
s1	s1.domainkey.u51273721.wl222.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u51273721.wl222.sendgrid.net	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

323ms

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	2409793010
Primary NS (MNAME)	chris.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-03 15:23:18

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2025-05-30
Expires	2027-05-29 (222d)

📋 WHOIS#

⏱️ Lookup Timing#

228ms

258ms

244ms

AAAA

228ms

TXT

488ms

CAA

198ms

HTTPS

203ms

TLSA

196ms

SOA

0ms

MTA-STS

261ms

DNSSEC

323ms

SRV

277ms

Total

2720ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 06:32:50	485ms	2 NS 2 A 2 MX	🔓 Insecure
2026-10-03 14:46:49	667ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-30 14:35:44	785ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-17 00:15:58	1023ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-09 06:51:01	1123ms	2 NS 2 A 2 MX	🔓 Insecure
2026-07-17 20:38:13 shown	2720ms	2 NS 2 A 2 MX	🔓 Insecure
2026-07-02 09:03:52	3446ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-17 12:15:35	854ms	2 NS 2 A 2 MX	🔓 Insecure