bsim.dk

📜 Historical scan 2026-06-24 15:37:32 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bsim.dk is a .dk domain served by 2 nameservers (aragorn.ns.cloudflare.com, julissa.ns.cloudflare.com). It was registered on 3 July 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.91.159 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.sbi.dk. 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 42ms

Nameserver	IP addresses	PTR	ASN / ISP
aragorn.ns.cloudflare.com	108.162.193.67 172.64.33.67 173.245.59.67 2606:4700:58::adf5:3b43 2803:f800:50::6ca2:c143 2a06:98c1:50::ac40:2143	aragorn.ns.cloudflare.com aragorn.ns.cloudflare.com aragorn.ns.cloudflare.com aragorn.ns.cloudflare.com aragorn.ns.cloudflare.com aragorn.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
julissa.ns.cloudflare.com	108.162.194.105 162.159.38.105 172.64.34.105 2606:4700:50::a29f:2669 2803:f800:50::6ca2:c269 2a06:98c1:50::ac40:2269	julissa.ns.cloudflare.com julissa.ns.cloudflare.com julissa.ns.cloudflare.com julissa.ns.cloudflare.com julissa.ns.cloudflare.com julissa.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 52ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.91.159	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.175.88	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 47ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx.sbi.dk	130.226.99.39	h07.fkj12-gw.global.aalborguniversitet.dk	AS1835 FSKNET-DK Forskningsnettet - Danish network for Research and Education

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.91.159
🔶 Autoconfig	104.21.91.159

🔷 AAAA Records (IPv6)#

2 records 47ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:af58	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:5b9f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 48ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.91.159,172.67.175.88 ech=AEX+DQBB5gAgACCJei01RKwHlcPsoqBzSP1UtUZGDaXvIOEKb0W8JOxqVAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:af58,2606:4700:3035::6815:5b9f

📝 TXT Records#

1 records 350ms

TXT Record
v=spf1 include:_spfhard.aau.dk -all

✉️ SPF#

Policy	Record (bsim.dk)
-all (hard fail)	v=spf1 include:_spfhard.aau.dk -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 2026-10-09 17:22:51

www	104.21.91.159 172.67.175.88 2606:4700:3030::ac43:af58 2606:4700:3035::6815:5b9f (AS13335) (address records, no CNAME)
www vs bare domain	Same network bsim.dk: 104.21.91.159 172.67.175.88 2606:4700:3030::ac43:af58 2606:4700:3035::6815:5b9f (AS13335) www.bsim.dk: 104.21.91.159 172.67.175.88 2606:4700:3030::ac43:af58 2606:4700:3035::6815:5b9f (AS13335)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

131ms

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

🏷️ SOA#

40ms

Field	Value
Serial	2406704503
Primary NS (MNAME)	aragorn.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-09 17:59:49

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2001-07-03
Expires	2027-04-30 (195d)

📋 WHOIS#

⏱️ Lookup Timing#

42ms

52ms

47ms

AAAA

47ms

TXT

350ms

CAA

54ms

HTTPS

48ms

TLSA

149ms

SOA

40ms

MTA-STS

75ms

DNSSEC

131ms

SRV

107ms

Total

1053ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 17:22:50	1965ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-26 12:14:19	738ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-19 22:08:47	910ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-12 20:39:24	14850ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-25 12:44:22	1496ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-12 03:44:38	1689ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-23 08:51:16	2111ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-27 23:25:50	908ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-24 15:37:32 shown	1053ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-23 10:34:53	936ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-22 16:25:16	1058ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-22 07:06:46	926ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 01:58:57	394ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-21 01:15:41	730ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 17:51:04	2792ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 17:45:44	1648ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 17:30:07	594ms	2 NS 2 A 1 MX	🔓 Insecure