blackbirdinstitute.dk

📜 Historical scan 2026-08-21 18:20:26 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

blackbirdinstitute.dk is a .dk domain served by 2 nameservers (kristin.ns.cloudflare.com, mcgrory.ns.cloudflare.com). It was registered on 16 October 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.88.189 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by blackbirdinstitute-dk.mail.protection.outlook.com. 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 77ms

Nameserver	IP addresses	PTR	ASN / ISP
kristin.ns.cloudflare.com	108.162.192.181 172.64.32.181 173.245.58.181 2606:4700:50::adf5:3ab5 2803:f800:50::6ca2:c0b5 2a06:98c1:50::ac40:20b5	kristin.ns.cloudflare.com kristin.ns.cloudflare.com kristin.ns.cloudflare.com kristin.ns.cloudflare.com kristin.ns.cloudflare.com kristin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mcgrory.ns.cloudflare.com	108.162.195.170 162.159.44.170 172.64.35.170 2606:4700:58::a29f:2caa 2803:f800:50::6ca2:c3aa 2a06:98c1:50::ac40:23aa	mcgrory.ns.cloudflare.com mcgrory.ns.cloudflare.com mcgrory.ns.cloudflare.com mcgrory.ns.cloudflare.com mcgrory.ns.cloudflare.com mcgrory.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 64ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.88.189	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.152.46	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 96ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	blackbirdinstitute-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::1 2a01:111:f403:ca09::1 2a01:111:f403:ca09::5 52.101.68.10 52.101.68.25 52.101.73.15 52.101.73.2	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db7pr03cu00401.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as9pr07cu00302.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 → 40.99.150.104

🔷 AAAA Records (IPv6)#

2 records 83ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:58bd	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:982e	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 78ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.88.189,172.67.152.46 ech=AEX+DQBBCgAgACDUWJgi1qykvgAjC0Pj8Hlp6ULbcDWXAnkJx9xsboI3OAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:58bd,2606:4700:3037::ac43:982e

🔌 SRV Records#

1 records 127ms

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

📝 TXT Records#

3 records 307ms

TXT Record
klaviyo-site-verification=TCJibT
MS=ms11037007
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (blackbirdinstitute.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.blackbirdinstitute.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 19:07:38

www	104.21.88.189 172.67.152.46 2606:4700:3031::6815:58bd 2606:4700:3037::ac43:982e (AS13335) (address records, no CNAME)
www vs bare domain	Same network blackbirdinstitute.dk: 104.21.88.189 172.67.152.46 2606:4700:3031::6815:58bd 2606:4700:3037::ac43:982e (AS13335) www.blackbirdinstitute.dk: 104.21.88.189 172.67.152.46 2606:4700:3031::6815:58bd 2606:4700:3037::ac43:982e (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.blackbirdinstitute.dk	cZJSTU5Qj8PXY0Hf7Nb2OZri3sq4m5C6obO_ZprImb0
TXT	_acme-challenge.blackbirdinstitute.dk	ZAFHP2g7byZ3mJYa3GzHp6-tP1PZ50_qPk_54vIujHo

🔗 TLSA / DANE#

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

🔐 DNSSEC#

231ms

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	2412810558
Primary NS (MNAME)	kristin.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 14:41:27

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2017-10-16
Expires	2033-10-31 (2560d)

🔗 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#

77ms

64ms

96ms

AAAA

83ms

TXT

307ms

CAA

90ms

HTTPS

78ms

TLSA

148ms

SOA

0ms

MTA-STS

90ms

DNSSEC

231ms

SRV

127ms

Total

2130ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-27 16:44:45	1586ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-20 16:14:43	2346ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-31 20:54:09	1027ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-28 10:20:49	2916ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-24 00:00:26	2002ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-21 18:20:26 shown	2130ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-22 13:10:00	10550ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-22 09:19:38	1268ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-20 18:12:30	1407ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-20 17:06:56	1651ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-20 03:58:31	1006ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 14:45:37	1013ms	2 NS 2 A 1 MX	🔓 Insecure