bslas.dk

📜 Historical scan 2026-10-07 13:33:41 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bslas.dk is a .dk domain served by 2 nameservers (carrera.ns.cloudflare.com, shane.ns.cloudflare.com). It was registered on 3 November 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.26.188 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by bslas-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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 44ms

Nameserver	IP addresses	PTR	ASN / ISP
carrera.ns.cloudflare.com	108.162.194.231 162.159.38.231 172.64.34.231 2606:4700:50::a29f:26e7 2803:f800:50::6ca2:c2e7 2a06:98c1:50::ac40:22e7	carrera.ns.cloudflare.com carrera.ns.cloudflare.com carrera.ns.cloudflare.com carrera.ns.cloudflare.com carrera.ns.cloudflare.com carrera.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
shane.ns.cloudflare.com	108.162.195.57 162.159.44.57 172.64.35.57 2606:4700:58::a29f:2c39 2803:f800:50::6ca2:c339 2a06:98c1:50::ac40:2339	shane.ns.cloudflare.com shane.ns.cloudflare.com shane.ns.cloudflare.com shane.ns.cloudflare.com shane.ns.cloudflare.com shane.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 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.26.188	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.138.92	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	bslas-dk.mail.protection.outlook.com	2a01:111:f403:c967::a 2a01:111:f403:ca04::d 2a01:111:f403:ca09::28 2a01:111:f403:ca21::e 52.101.103.140 52.101.185.114 52.101.209.153 52.101.68.8	mail-cpjpr05cu00102.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-matpr04cu00306.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-zrxpr04cu00102.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-du0pr03cu00100.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 → 52.98.149.136

🔷 AAAA Records (IPv6)#

2 records 43ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::6815:1abc	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:8a5c	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 39ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.26.188,172.67.138.92 ech=AEX+DQBBqQAgACAM5WNN/3pkcWDZ4VSbF3MRDJE6QFIUCYzbzMKd+HXcUgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:1abc,2606:4700:3034::ac43:8a5c

🔌 SRV Records#

1 records 111ms

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

📝 TXT Records#

2 records 166ms

TXT Record
MS=ms43023274
v=spf1 -all

✉️ SPF#

Policy	Record (bslas.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.bslas.dk)
p=reject	v=DMARC1; p=reject;

📬 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 13:40:28

www	104.21.26.188 172.67.138.92 2606:4700:3034::6815:1abc 2606:4700:3034::ac43:8a5c (AS13335) (address records, no CNAME)
www vs bare domain	Same network bslas.dk: 104.21.26.188 172.67.138.92 2606:4700:3034::6815:1abc 2606:4700:3034::ac43:8a5c (AS13335) www.bslas.dk: 104.21.26.188 172.67.138.92 2606:4700:3034::6815:1abc 2606:4700:3034::ac43:8a5c (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-bslas-dk._domainkey.dominiadk.p-v1.dkim.mail.microsoft	RSA · ~2048 bit
selector2	selector2-bslas-dk._domainkey.dominiadk.p-v1.dkim.mail.microsoft	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: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

116ms

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

🏷️ SOA#

45ms

Field	Value
Serial	2416854605
Primary NS (MNAME)	carrera.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-07 13:36:07

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2017-11-03
Expires	2026-11-30 (44d)

📋 WHOIS#

⏱️ Lookup Timing#

44ms

30ms

42ms

AAAA

43ms

TXT

166ms

CAA

54ms

HTTPS

39ms

TLSA

645ms

SOA

45ms

MTA-STS

77ms

DNSSEC

116ms

SRV

111ms

Total

1634ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 13:40:28	942ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-07 13:33:41 shown	1634ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-03 10:09:47	1111ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-25 06:57:33	3376ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-15 04:43:55	4191ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-08 03:50:30	2998ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-31 10:56:53	2733ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-30 03:04:14	1426ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-26 13:24:42	815ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-25 03:34:50	1836ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-20 23:11:39	10982ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-18 20:59:10	4548ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-29 05:35:52	11536ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-03 18:37:21	4478ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-01 20:02:53	2891ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-20 05:05:57	1746ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-16 17:49:15	3839ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-16 17:45:49	2789ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-16 17:30:10	2527ms	2 NS 2 A 1 MX	🔒 Secure