dbufyn.dk

Records from scan: 2026-09-30 10:52:18 · 1376ms total · last checked 2026-10-19 04:50 (unchanged)

⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 36ms

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 48ms

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 65ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	dbufyn-dk.mail.protection.outlook.com	2a01:111:f403:ca04::d 2a01:111:f403:ca3c::8 2a01:111:f403:ca3c::a 2a01:111:f403:ca48::a 52.101.181.153 52.101.68.29 52.101.73.145 52.101.73.153	mail-db6pr03cu00105.inbound.protection.outlook.com mail-zrxpr05cu00100.inbound.protection.outlook.com mail-zrxpr07cu00102.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am6pr02cu00301.inbound.protection.outlook.com mail-as8pr05cu00401.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 90ms

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 147ms

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#

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#

93ms

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

🏷️ SOA#

29ms

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#

36ms

48ms

65ms

AAAA

45ms

TXT

147ms

CAA

41ms

HTTPS

48ms

TLSA

793ms

SOA

29ms

MTA-STS

50ms

DNSSEC

93ms

SRV

90ms

Total

1376ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 10:52:18 shown	1376ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-19 16:10:59	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