dbufyn.dk

📜 Historical scan 2026-09-19 16:10:59 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dbufyn.dk is a .dk domain served by 2 nameservers (ns.scannet2.dk, ns2.scannet2.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.19.191.28 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by dbufyn-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#

2 records 28ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.scannet2.dk	185.25.141.9 2a02:2339:4006:10d::4171:4171	ns1.scannet.dk ns1.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.scannet2.dk	2a02:2339:1:112:0:5:1:b11 91.197.248.72	ns2.scannet.dk ns2.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.19.191.28	3600s	—	AS13335	Cloudflare, Inc.	104.16.0.0/14	—	—

📧 MX Records#

1 records 27ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	dbufyn-dk.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca04::c 2a01:111:f403:ca38::8 2a01:111:f403:ca48::12 52.101.209.28 52.101.68.18 52.101.73.153 52.101.91.162	mail-db4pr02cu00307.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-miypr05cu00202.inbound.protection.outlook.com mail-cpjpr05cu00104.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-matpr04cu00302.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 → 40.104.116.56

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

2 records 102ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	autodiscover.outlook.com
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

6 records 112ms

TXT Record
fArRBIVrJmmxWcqztux/cDIrzwFS+GtzySdxp1rpj88=
google-site-verification=xlZwfTleC1CVh_v7ICizdw1H_06RjB5H2wlSLCY6as8
MS=ms62192891
qYV5bBdQqNpFrHDsvk+2w/FBAAQC2MJOa3n/HTzU6eVkN59JapoG1Wgg+OJRmNwuecyi2XWmVT8Q5YwITsrGNw==
v=spf1 ip4:87.54.50.122 ip4:87.54.50.123 ip4:10.75.2.11 ip4:10.75.2.10 ip4:185.163.189.136 include:spf.protection.outlook.com include:_spf.presscloud.com include:sendgrid.net -all
y6AIQu5kM0uV+D2WwRGDH2+jFDbkKY0IIVfU8IG8Ifo=

✉️ SPF#

Policy	Record (dbufyn.dk)
-all (hard fail)	v=spf1 ip4:87.54.50.122 ip4:87.54.50.123 ip4:10.75.2.11 ip4:10.75.2.10 ip4:185.163.189.136 include:spf.protection.outlook.com include:_spf.presscloud.com include:sendgrid.net -all

📨 DMARC#

Policy	Record (_dmarc.dbufyn.dk)
p=quarantine	v=DMARC1; p=quarantine; adkim=r; aspf=r; rua=mailto:6891c48d51a6f@dmarc-dk.centerasecurity.com; ruf=mailto:6891c48d51a6f@dmarc-dk.centerasecurity.com; fo=0; pct=100; ri=86400

📬 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 2026-10-15 01:46:53

www CNAME	dns.umbraco.io (all on umbraco.io) → 162.159.140.127 172.66.0.125 2606:4700:7::7d 2a06:98c1:58::7d (AS13335)
www vs bare domain	Same network dbufyn.dk: 104.19.191.28 (AS13335) www.dbufyn.dk: 162.159.140.127 172.66.0.125 2606:4700:7::7d 2a06:98c1:58::7d (AS13335)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-dbufyn-dk._domainkey.danskboldspilunion.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: 4/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

110ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026091801
Primary NS (MNAME)	ns.scannet2.dk
Responsible (RNAME)	hostmaster@scannet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

28ms

34ms

27ms

AAAA

33ms

TXT

112ms

CAA

35ms

HTTPS

23ms

TLSA

380ms

SOA

0ms

MTA-STS

40ms

DNSSEC

110ms

SRV

102ms

Total

1743ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 10:52:18	1376ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-19 16:10:59 shown	1743ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 14:05:49	3597ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 03:48:59	788ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 00:45:38	1209ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 13:36:16	909ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 01:16:04	826ms	2 NS 1 A 1 MX	🔒 Secure