circleofbytes.dk

📜 Historical scan 2026-06-24 03:05:47 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

circleofbytes.dk is a .dk domain served by 2 nameservers (konnor.ns.cloudflare.com, zainab.ns.cloudflare.com). It was registered on 7 September 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.38.101 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by circleofbytes-dk.mail.protection.outlook.com. 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 61ms

Nameserver	IP addresses	PTR	ASN / ISP
konnor.ns.cloudflare.com	108.162.195.106 162.159.44.106 172.64.35.106 2606:4700:58::a29f:2c6a 2803:f800:50::6ca2:c36a 2a06:98c1:50::ac40:236a	konnor.ns.cloudflare.com konnor.ns.cloudflare.com konnor.ns.cloudflare.com konnor.ns.cloudflare.com konnor.ns.cloudflare.com konnor.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
zainab.ns.cloudflare.com	108.162.194.149 162.159.38.149 172.64.34.149 2606:4700:50::a29f:2695 2803:f800:50::6ca2:c295 2a06:98c1:50::ac40:2295	zainab.ns.cloudflare.com zainab.ns.cloudflare.com zainab.ns.cloudflare.com zainab.ns.cloudflare.com zainab.ns.cloudflare.com zainab.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 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.38.101	600s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.221.249	600s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	circleofbytes-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::e 2a01:111:f403:ca09::b 2a01:111:f403:ca09::e 52.101.68.15 52.101.73.12 52.101.73.15 52.101.73.28	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am7pr05cu00204.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.24
🔶 Autoconfig	104.21.38.101

🔷 AAAA Records (IPv6)#

2 records 36ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:ddf9	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:2665	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 28ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.38.101,172.67.221.249 ech=AEX+DQBBbAAgACC5AffPo+JPkw4QIw5RPp8El+SOa3PX3LxImXXBT2f+LAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:ddf9,2606:4700:3037::6815:2665

🔌 SRV Records#

1 records 79ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 172ms

TXT Record
MS=ms22891062
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (circleofbytes.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -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 2026-10-08 14:38:02

www	104.21.38.101 172.67.221.249 2606:4700:3032::ac43:ddf9 2606:4700:3037::6815:2665 (AS13335) (address records, no CNAME)
www vs bare domain	Same network circleofbytes.dk: 104.21.38.101 172.67.221.249 2606:4700:3032::ac43:ddf9 2606:4700:3037::6815:2665 (AS13335) www.circleofbytes.dk: 104.21.38.101 172.67.221.249 2606:4700:3032::ac43:ddf9 2606:4700:3037::6815:2665 (AS13335)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-circleofbytes-dk._domainkey.circleofbytes.onmicrosoft.com	RSA · ~2048 bit
selector2	selector2-circleofbytes-dk._domainkey.circleofbytes.onmicrosoft.com	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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

63ms

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

🏷️ SOA#

53ms

Field	Value
Serial	2405437043
Primary NS (MNAME)	konnor.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-15 05:27:18

Field	Value
Registrar	DANDOMAIN A/S
Registered	2024-09-07
Expires	2027-09-06 (323d)

🔗 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#

61ms

39ms

33ms

AAAA

36ms

TXT

172ms

CAA

34ms

HTTPS

28ms

TLSA

315ms

SOA

53ms

MTA-STS

52ms

DNSSEC

63ms

SRV

79ms

Total

1146ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-25 08:16:51	9824ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-23 13:22:57	938ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-27 17:20:44	1084ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-26 12:21:55	10530ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-24 09:32:11	11768ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-24 03:05:47 shown	1146ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 20:50:37	650ms	2 NS 2 A 1 MX	🔓 Insecure