blf.dk

📜 Historical scan 2026-08-15 21:27:00 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

blf.dk is a .dk domain served by 3 nameservers (ns1.dns.services, ns2.dns.services, ns3.dns.services). It was registered on 23 February 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 198.202.211.1 is hosted by Cloudflare London, LLC (AS209242) in United States. Mail is handled by blf-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#

3 records 44ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dns.services	195.242.131.6 2001:67c:564:ffff::11	ns1.dns.services ns1.dns.services	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
ns2.dns.services	2a00:1b18:2:3:3::2 62.69.152.37	ns2.dns.services ns2.dns.services	AS47527 DLX A/S AS47527 DLX A/S
ns3.dns.services	185.55.197.53	ns3.dns.services	AS60153 Inpadi ApS

🌍 A Records#

1 records 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
198.202.211.1	3600s	—	AS209242	Cloudflare London, LLC	198.202.211.0/24	🇺🇸 United States	—

📧 MX Records#

1 records 64ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	blf-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca04::f 2a01:111:f403:ca09::4 2a01:111:f403:ca09::7 52.101.68.15 52.101.68.18 52.101.73.16 52.101.73.28	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00204.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)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 138ms

TXT Record
@MS=ms97709979
v=spf1 include:spf.protection.outlook.com ~all

✉️ SPF#

Policy	Record (blf.dk)
~all (soft fail)	v=spf1 include:spf.protection.outlook.com ~all

📨 DMARC#

Policy	Record (_dmarc.blf.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:v4tjk1mx@ag.eu.dmarcian.com;

📬 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 02:11:36

www CNAME	cdn.webflow.com (all on webflow.com) → 198.202.211.1 2620:cb:2000::1 (AS13335 AS209242)
www vs bare domain	Same network blf.dk: 198.202.211.1 (AS209242) www.blf.dk: 198.202.211.1 2620:cb:2000::1 (AS13335 AS209242)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-blf-dk._domainkey.gefion.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: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

91ms

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

🏷️ SOA#

50ms

Field	Value
Serial	2023111435
Primary NS (MNAME)	ns1.dns.services
Responsible (RNAME)	post@dns.services
Refresh	10800s
Retry	3600s
Expire	1814400s
Minimum (neg-cache TTL)	7200s

📋 Registration#

WHOIS fetched 2026-10-19 18:20:19

Field	Value
Registrar	dns.services ApS
Registered	1998-02-23
Expires	2027-03-31 (161d)

🔗 Same registrant#

11 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
247pc.dk	Punktum dk A/S (direct)
dlbrforsikring.dk	dns.services ApS
kornbasen.dk	Punktum dk A/S (direct)
kvaegdk.dk	Punktum dk A/S (direct)
lfbioccus.dk	dns.services ApS
lfpyrolyse.dk	dns.services ApS
okokornbasen.dk	Punktum dk A/S (direct)
planteavlsnyt.dk	Punktum dk A/S (direct)
pluzek-bruun.dk	dns.services ApS
spangsholm.dk	Punktum dk A/S (direct)
vkst-field-trials.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

44ms

41ms

64ms

AAAA

45ms

TXT

138ms

CAA

52ms

HTTPS

63ms

TLSA

1032ms

SOA

50ms

MTA-STS

55ms

DNSSEC

91ms

SRV

63ms

Total

5968ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 02:11:36	1796ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-27 03:53:36	1674ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-28 02:19:07	1641ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-15 21:27:00 shown	5968ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-01 07:31:53	1436ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-29 20:31:18	1232ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-27 02:55:09	1598ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-24 06:10:11	2519ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-23 23:06:20	965ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 14:47:04	724ms	3 NS 1 A 1 MX	🔒 Secure