elretur.dk DNS records

🖥️ Nameservers4 records 79ms

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 99ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
216.150.1.1	600s	—	AS16509	Amazon.com, Inc.	216.150.1.0/24	🇺🇸 United States	—

📧 MX Records1 records 101ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	elretur-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::9 2a01:111:f403:ca09::c 2a01:111:f403:ca09::d 52.101.68.39 52.101.68.5 52.101.73.24 52.101.73.8	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com mail-am0pr04cu00500.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 → 40.104.116.40

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records2 records 139ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	elretur-dk.mail.protection.outlook.com
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records3 records 313ms

TXT Record
google-site-verification=xGpQrOKDhOW1i_rwxpQrM8ujsF7Tb5c7IQ7bIhJebEY
MS=ms16039006
v=spf1 ip4:87.63.164.46 ip4:80.62.148.254 include:spf.protection.outlook.com include:spf-eu.emailsignatures365.com include:servers.mcsv.net -all

✉️ SPF

Policy	Record (elretur.dk)
-all (hard fail)	v=spf1 ip4:87.63.164.46 ip4:80.62.148.254 include:spf.protection.outlook.com include:spf-eu.emailsignatures365.com include:servers.mcsv.net -all

📨 DMARC

Policy	Record (_dmarc.elretur.dk)
p=reject	v=DMARC1; p=reject; fo=1; pct=100; rua=mailto:dmarcreports@bcs.dk; sp=reject; adkim=r; aspf=r;

📬 MTA-STS281ms

Check	Result
Status	🔒 Enforce
TXT record (_mta-sts)	✓ Found
HTTPS policy	✓ Valid
Mode	enforce
Policy ID	20260615132255Z
max_age	2419200s
Policy MX	*.mail.protection.outlook.com

📈 TLSRPT

Status	Report address (rua)
✓ Enabled	mailto:tlsreports@bcs.dk

📜 CAA Records

✗ No CAA records — any CA may issue certificates

🔗 TLSA / DANE

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

🔐 DNSSEC241ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082000
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

79ms

A

99ms

MX

101ms

AAAA

85ms

TXT

313ms

CAA

120ms

HTTPS

124ms

TLSA

301ms

SOA

0ms

MTA-STS

281ms

DNSSEC

241ms

SRV

139ms

Total

2554ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-20 17:13:37	2554ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-27 12:28:00	1328ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-25 13:33:22	1165ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-22 14:24:06	1163ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 07:16:58	2378ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 07:07:34	843ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 07:01:19	16975ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 07:00:45	942ms	4 NS 1 A 1 MX	🔓 Insecure	View