ulf.dk DNS records

🖥️ Nameservers3 records 36ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records1 records 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.253	3600s	linux340.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records1 records 52ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	ulf-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca09::28 2a01:111:f403:ca09::7 2a01:111:f403:ca09::c 52.101.68.21 52.101.68.27 52.101.73.15 52.101.73.30	mail-du0pr03cu00102.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-am9pr04cu00107.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
🔶 Autoconfig	93.191.156.253

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 76ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records3 records 199ms

TXT Record
google-site-verification=w5j8YOgEwwb5_OI0hLEGkCDcse4L1K1qDnxsVwV818M
MS=ms52326756
v=spf1 include:spf.protection.outlook.com include:spf.simply.com include:dedicated.mysmtp.com -all

✉️ SPF

Policy	Record (ulf.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.simply.com include:dedicated.mysmtp.com -all

📨 DMARC

Policy	Record (_dmarc.ulf.dk)
p=quarantine	v=DMARC1; p=quarantine; sp=none; adkim=r; aspf=r; rua=mailto:abuse@ulf.dk; ruf=mailto:abuse@ulf.dk; 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)

🔐 DNSSEC116ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081302
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

36ms

A

46ms

MX

52ms

AAAA

53ms

TXT

199ms

CAA

42ms

HTTPS

57ms

TLSA

369ms

SOA

0ms

MTA-STS

91ms

DNSSEC

116ms

SRV

76ms

Total

1189ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 13:01:18	1189ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-14 00:14:30	1404ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 00:47:29	715ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 03:05:58	841ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 14:44:35	1417ms	3 NS 1 A 1 MX	🔒 Secure	View