uslu.dk DNS records

🖥️ Nameservers4 records 45ms

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
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records1 records 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
216.150.1.1	—	—	AS16509	Amazon.com, Inc.	216.150.1.0/24	🇺🇸 United States	—

📧 MX Records1 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	uslu-dk.mail.protection.outlook.com	2a01:111:f403:ca04::c 2a01:111:f403:ca09::3 2a01:111:f403:ca09::b 2a01:111:f403:ca09::c 52.101.68.25 52.101.68.32 52.101.73.2 52.101.73.6	mail-db9pr02cu00204.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-am6pr04cu00306.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 → 52.98.253.88
🔶 Autoconfig	93.191.156.12

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 122ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	10	1	5061	sipfed.online.lync.com

📝 TXT Records3 records 188ms

TXT Record
google-site-verification=LT8lF1f4r6zC_megiyqbZvf-rUB_A6aSUZ2FDKPx628
q0hdr376m9nt7hhqvsvn9hjant
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (uslu.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.uslu.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:1ece1df04a1b.a@dmarcinput.com,mailto:web@uslu.dk; ruf=mailto:1ece1df04a1b.f@dmarcinput.com,mailto:web@uslu.dk; fo=1

📬 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)

🔐 DNSSEC108ms

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

🏷️ SOA87ms

Field	Value
Serial	2026021600
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

45ms

A

41ms

MX

45ms

AAAA

44ms

TXT

188ms

CAA

74ms

HTTPS

44ms

TLSA

488ms

SOA

87ms

MTA-STS

80ms

DNSSEC

108ms

SRV

122ms

Total

1109ms