d-e-r.dk DNS records

🖥️ Nameservers4 records 50ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.eurodns.com	199.167.66.107 2610:1c8:b002::107	ns1.eurodns.com ns1.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns2.eurodns.com	104.37.178.107 2610:1c8:b001::107	ns2.eurodns.com ns2.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns3.eurodns.com	199.167.66.108 2610:1c8:b002::108	ns3.eurodns.com ns3.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns4.eurodns.com	104.37.178.108 2610:1c8:b001::108	ns4.eurodns.com ns4.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC

🌍 A Records1 records 63ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
80.92.65.188	600s	80-92-65-188.ip.dclux.com	AS24611	Datacenter Luxembourg S.A.	80.92.64.0/19	🇱🇺 Luxembourg	Luxembourg

📧 MX Records1 records 69ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	der-dk0k.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca04::7 2a01:111:f403:ca09:: 2a01:111:f403:ca09::c 52.101.68.18 52.101.68.25 52.101.68.36 52.101.73.145	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am6pr02cu00301.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 Records1 records 100ms

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

📝 TXT Records3 records 305ms

TXT Record
MS=ms74748224
v=spf1 ip4:194.182.232.130 include:spf.protection.outlook.com ?include:trustpilotservice.com include:_spf.signicat.cloud -all
yMXCfme3Pb40npSyrQ81oQC/Rptei/f6tcgnIJ3Ch0JHjp7dPfcZ2tBrBduOF5TH1v0UZS7Ew1XsZpuq4aqXng==

✉️ SPF

Policy	Record (d-e-r.dk)
-all (hard fail)	v=spf1 ip4:194.182.232.130 include:spf.protection.outlook.com ?include:trustpilotservice.com include:_spf.signicat.cloud -all

📨 DMARC

Policy	Record (_dmarc.d-e-r.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email

📬 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)

🔐 DNSSEC86ms

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

🏷️ SOA0ms

Field	Value
Serial	2025072375
Primary NS (MNAME)	ns1.eurodns.com
Responsible (RNAME)	hostmaster@eurodns.com
Refresh	43200s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

50ms

A

63ms

MX

69ms

AAAA

56ms

TXT

305ms

CAA

69ms

HTTPS

69ms

TLSA

599ms

SOA

0ms

MTA-STS

89ms

DNSSEC

86ms

SRV

100ms

Total

1348ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 10:37:34	1348ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 01:18:06	1241ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-08-23 21:55:14	3831ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-08-22 20:19:49	5809ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-08-07 10:49:31	2010ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-07-18 01:11:52	7416ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-07-16 18:11:43	1206ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-29 10:17:15	1376ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 08:02:00	973ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 16:31:24	1377ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 02:05:47	796ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 06:49:23	9669ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 23:38:21	1791ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 23:30:29	1001ms	4 NS 1 A 1 MX	🔒 Secure	View