blackbirdinstitute.dk

📜 Historical scan 2026-08-31 20:54:09 · ← 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 67ms

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 46ms

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 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	blackbirdinstitute-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::5 2a01:111:f403:ca04::8 2a01:111:f403:ca04::d 52.101.103.140 52.101.68.3 52.101.73.19 52.101.73.22	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-am7pr05cu00106.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

🔷 AAAA Records (IPv6)#

2 records 41ms

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 51ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.88.189,172.67.152.46 ech=AEX+DQBBTwAgACAOmWlPq4z5qUDpGw2hdQCkGJB2jlJGHIBUXoIPWZLTWQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:58bd,2606:4700:3037::ac43:982e

🔌 SRV Records#

1 records 112ms

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

📝 TXT Records#

3 records 240ms

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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

102ms

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	2412919085
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#

67ms

46ms

AAAA

41ms

TXT

240ms

CAA

52ms

HTTPS

51ms

TLSA

343ms

SOA

0ms

MTA-STS

73ms

DNSSEC

102ms

SRV

112ms

Total

1027ms

🕐 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 shown	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	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