rehfeld.dk DNS records

🖥️ Nameservers4 records 66ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.iqvia.com	162.44.36.252	—	AS394138 IQVIA Holdings Inc
ns2.iqvia.com	162.44.36.253	ns2.iqvia.com	AS394138 IQVIA Holdings Inc
ns3.iqvia.com	185.76.229.151	ns3.iqvia.com	AS215429 Iqvia Solutions Hq Ltd
ns4.iqvia.com	185.76.229.152	ns4.iqvia.com	AS215429 Iqvia Solutions Hq Ltd

🌍 A Records

🌍

No A records found

📧 MX Records2 records 60ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	rehfeld-dk.mail.protection.outlook.com	52.101.41.180 52.101.41.192 52.101.41.198 52.101.41.201	mail-byapr04cu00204.inbound.protection.outlook.com mail-byapr04cu00400.inbound.protection.outlook.com mail-byapr05cu00706.inbound.protection.outlook.com mail-byapr03cu00201.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation
2	3600s	rehfeld-dk.mail.eo.outlook.com	52.101.11.15 52.101.41.21 52.101.60.68 52.101.8.51	mail-sa9pr02cu00207.inbound.protection.outlook.com mail-sj2pr05cu00305.inbound.protection.outlook.com mail-bnypr02cu00104.inbound.protection.outlook.com mail-dm1pr04cu00203.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 571ms

TXT Record
v=spf1 ip4:192.69.83.25 ip4:185.76.230.25 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (rehfeld.dk)
-all (hard fail)	v=spf1 ip4:192.69.83.25 ip4:185.76.230.25 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.rehfeld.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)

🔐 DNSSEC9066ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2026080405
Primary NS (MNAME)	ns1.iqvia.com
Responsible (RNAME)	hostmaster@iqvia.com
Refresh	43200s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

66ms

A

131ms

MX

60ms

AAAA

71ms

TXT

571ms

CAA

162ms

HTTPS

55ms

TLSA

4024ms

SOA

0ms

MTA-STS

172ms

DNSSEC

9066ms

SRV

285ms

Total

14836ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-03 23:57:38	14836ms	4 NS 0 A 2 MX	🔓 Insecure	View
2026-08-08 11:18:17	15237ms	4 NS 0 A 2 MX	🔓 Insecure	View
2026-08-01 14:22:09	5768ms	4 NS 0 A 0 MX	❓ Unknown	View
2026-07-02 12:35:49	7683ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-06-27 11:11:49	2759ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-06-17 13:59:32	6388ms	4 NS 1 A 2 MX	🔓 Insecure	View