efrentemester.dk DNS records

🖥️ Nameservers3 records 61ms

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 87ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.100	600s	dnsforward.simply.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records1 records 74ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	efrentemester-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca04::a 2a01:111:f403:ca09::2 2a01:111:f403:ca48::a 52.101.209.153 52.101.68.12 52.101.68.5 52.101.73.11	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am1pr04cu00103.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 → 40.104.116.24

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 180ms

TXT Record
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 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)

🔐 DNSSEC131ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2026010604
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

61ms

A

87ms

MX

74ms

AAAA

110ms

TXT

180ms

CAA

84ms

HTTPS

74ms

TLSA

183ms

SOA

0ms

MTA-STS

105ms

DNSSEC

131ms

SRV

101ms

Total

921ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 03:52:08	921ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-29 20:59:27	701ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 06:09:21	19502ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 06:08:57	2878ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 06:01:16	2720ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 06:00:55	547ms	3 NS 1 A 1 MX	🔓 Insecure	View