nrer.dk DNS records

🖥️ Nameservers4 records 91ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.bdm.microsoftonline.com	13.107.236.208 2603:1061:0:700::d0	ns1-208.azure-dns.com ns1-208.azure-dns.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns2.bdm.microsoftonline.com	150.171.21.208 2620:1ec:8ec:700::d0	ns2-208.azure-dns.net ns2-208.azure-dns.net	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns3.bdm.microsoftonline.com	204.14.183.208 2a01:111:4000:700::d0	ns3-208.azure-dns.org ns3-208.azure-dns.org	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns4.bdm.microsoftonline.com	208.84.5.208 2620:1ec:bda:700::d0	ns4-208.azure-dns.info ns4-208.azure-dns.info	AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🌍 A Records1 records 86ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
134.209.224.39	—	—	AS14061	DigitalOcean, LLC	134.209.0.0/16	🇩🇪 Germany	Frankfurt am Main

📧 MX Records1 records 123ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	nrer-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::e 2a01:111:f403:ca09:: 2a01:111:f403:ca09::1 52.101.68.15 52.101.68.39 52.101.73.15 52.101.73.24	mail-db7pr03cu00401.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as8pr05cu00300.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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 295ms

TXT Record
mscid=Nos6bZ6FDFGQw+zCaV9u/ORI4zNl24cTYx+Gw2DBtQ99cOdVd1vrhsruTt855nf1V669mtPmt+SRR0Y6NFuRzw==
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (nrer.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)

🔐 DNSSEC263ms

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

🏷️ SOA151ms

Field	Value
Serial	1
Primary NS (MNAME)	ns1.bdm.microsoftonline.com
Responsible (RNAME)	azuredns-hostmaster@microsoft.com
Refresh	3600s
Retry	300s
Expire	2419200s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

91ms

A

86ms

MX

123ms

AAAA

178ms

TXT

295ms

CAA

102ms

HTTPS

107ms

TLSA

278ms

SOA

151ms

MTA-STS

90ms

DNSSEC

263ms

SRV

0ms

Total

2090ms