bluebyte.dk

📜 Historical scan 2026-09-17 17:40:35 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bluebyte.dk is a .dk domain served by 2 nameservers (amir.ns.cloudflare.com, bingo.ns.cloudflare.com). It was registered on 1 February 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 199.60.103.198 is hosted by Cloudflare London, LLC (AS209242) in United States. Mail is handled by bluebyte-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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 30ms

Nameserver	IP addresses	PTR	ASN / ISP
amir.ns.cloudflare.com	108.162.193.62 172.64.33.62 173.245.59.62 2606:4700:58::adf5:3b3e 2803:f800:50::6ca2:c13e 2a06:98c1:50::ac40:213e	amir.ns.cloudflare.com amir.ns.cloudflare.com amir.ns.cloudflare.com amir.ns.cloudflare.com amir.ns.cloudflare.com amir.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
bingo.ns.cloudflare.com	108.162.194.36 162.159.38.36 172.64.34.36 2606:4700:50::a29f:2624 2803:f800:50::6ca2:c224 2a06:98c1:50::ac40:2224	bingo.ns.cloudflare.com bingo.ns.cloudflare.com bingo.ns.cloudflare.com bingo.ns.cloudflare.com bingo.ns.cloudflare.com bingo.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 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
199.60.103.198	300s	—	AS209242	Cloudflare London, LLC	199.60.103.0/24	🇺🇸 United States	—
199.60.103.98	300s	—	AS209242	Cloudflare London, LLC	199.60.103.0/24	🇺🇸 United States	—

📧 MX Records#

1 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	bluebyte-dk.mail.protection.outlook.com	2a01:111:f403:ca04::f 2a01:111:f403:ca09::a 2a01:111:f403:ca21::a 2a01:111:f403:ca48::a 52.101.185.21 52.101.209.153 52.101.68.36 52.101.91.21	mail-db7pr03cu00507.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-maspr04cu00102.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-matpr05cu00105.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	199.60.103.198

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 80ms

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

📝 TXT Records#

5 records 247ms

TXT Record
google-site-verification=-UZElAbmlOjp5AfyVsUxEtveJAJv-Ze98Xo_czcds64
google-site-verification=zXakyd4M5Xjg9FRX5eQGXJDh-mMe-gwTxVHYrLj-Pgg
knowbe4-site-verification=5728960f5bb0288b9e27c26f6a8fd281
linkedin-site-verification=3ea47de8-70b4-4ff6-b1bd-512fd47a5f8a
v=spf1 include:jmk2idd5rs.spf.dmarc.bluebyte.dk -all

✉️ SPF#

Policy	Record (bluebyte.dk)
-all (hard fail)	v=spf1 include:jmk2idd5rs.spf.dmarc.bluebyte.dk -all

📨 DMARC#

Policy	Record (_dmarc.bluebyte.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:bchn0ga548@rua.dmarc.bluebyte.dk; ruf=mailto:bchn0ga548@ruf.dmarc.bluebyte.dk; fo=0; adkim=r; aspf=r; pct=100; rf=afrf; ri=86400; sp=reject

📬 MTA-STS#

391ms

Check	Result
Status	🔒 Enforce
TXT record (_mta-sts)	✓ Found
HTTPS policy	✓ Valid
Mode	enforce
Policy ID	20250203073215602317
max_age	86400s
Policy MX	bluebyte-dk.mail.protection.outlook.com

📈 TLSRPT#

Status	Report address (rua)
✓ Enabled	mailto:bchn0ga548@tls.dmarc.bluebyte.dk

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-15 01:15:10

www CNAME	26305597.sites.hscoscdn-eu1.net (all on hscoscdn-eu1.net) → 141.101.90.96 141.101.90.97 141.101.90.98 141.101.90.99 2a06:98c1:3200::90:0 2a06:98c1:3200::90:1 2a06:98c1:3200::90:2 2a06:98c1:3200::90:3 (AS13335)
www vs bare domain	Different networks bluebyte.dk: 199.60.103.198 199.60.103.98 (AS209242) www.bluebyte.dk: 141.101.90.96 141.101.90.97 141.101.90.98 141.101.90.99 (AS13335) (all like this)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY
BIMI	v=BIMI1;l=https://dmarc.bluebyte.dk/bimi/48482/35c3b883-2061-4c0d-986b-0c9b88a5e1b3.svg;a=;

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-bluebyte-dk._domainkey.itfe.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: 4/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

119ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2414770933
Primary NS (MNAME)	amir.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-13 12:34:55

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2023-02-01
Expires	2027-01-31 (106d)

🔗 Same registrant#

9 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).

Domain	Registrar
bluebyteit.dk	Punktum dk A/S (direct)
bluebytetest.dk	Punktum dk A/S (direct)
coreit.dk	Punktum dk A/S (direct)
driftig.dk	Punktum dk A/S (direct)
hackdinhverdag.dk	Punktum dk A/S (direct)
itfesbjerg.dk	Punktum dk A/S (direct)
relevantit.dk	Punktum dk A/S (direct)
supportaftale.dk	Punktum dk A/S (direct)
web-step.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

30ms

49ms

34ms

AAAA

29ms

TXT

247ms

CAA

28ms

HTTPS

44ms

TLSA

978ms

SOA

0ms

MTA-STS

391ms

DNSSEC

119ms

SRV

80ms

Total

2542ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 01:15:10	1998ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-07 14:38:38	2170ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-17 17:40:35 shown	2542ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-26 15:11:48	1469ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-24 17:59:15	1072ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-21 09:13:33	14937ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-18 02:10:05	3351ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-15 02:36:12	2237ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-30 13:01:48	9085ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-27 10:20:55	4586ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-12 04:04:28	1690ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-04 07:32:14	2701ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-03 06:04:36	1252ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-28 06:04:34	1939ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-18 16:05:50	2786ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-16 15:17:05	3801ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-16 15:03:32	899ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-16 15:00:51	2214ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-16 15:00:35	972ms	2 NS 2 A 1 MX	🔒 Secure