dbufyn.dk DNS records

🖥️ Nameservers2 records 282ms

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 Records1 records 316ms

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

📧 MX Records1 records 234ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	dbufyn-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca04::9 2a01:111:f403:ca09::1 2a01:111:f403:ca09::3 52.101.68.36 52.101.73.1 52.101.73.16 52.101.73.30	mail-db5pr02cu00100.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00306.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 Records2 records 368ms

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

📝 TXT Records6 records 771ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC584ms

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

🏷️ SOA114ms

Field	Value
Serial	2025121501
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 — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

282ms

A

316ms

MX

234ms

AAAA

198ms

TXT

771ms

CAA

152ms

HTTPS

216ms

TLSA

982ms

SOA

114ms

MTA-STS

250ms

DNSSEC

584ms

SRV

368ms

Total

3597ms

🕐 Scan History

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