erfurt.dk DNS records

🖥️ Nameservers3 records 73ms

Nameserver	IP addresses	PTR	ASN / ISP
one.cloudns.dk	35.205.227.236	236.227.205.35.bc.googleusercontent.com	AS396982 Google LLC
three.cloudns.dk	152.44.41.1	three.cloudns.dk	AS25697 UpCloud USA Inc
two.cloudns.dk	94.237.87.121	two.cloudns.dk	AS202053 UpCloud Ltd

🌍 A Records1 records 74ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
23.227.38.65	3600s	myshopify.com	AS13335	Cloudflare, Inc.	23.227.38.0/23	🇨🇦 Canada	Ottawa

📧 MX Records1 records 71ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	erfurt-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca09::1 2a01:111:f403:ca09::8 2a01:111:f403:ca09::b 52.101.73.1 52.101.73.11 52.101.73.22 52.101.73.30	mail-db4pr02cu00406.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com mail-am7pr05cu00306.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 → 40.104.116.8

🔷 AAAA Records (IPv6)1 records 56ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2620:127:f00f:5::	3600s	—	AS13335	Cloudflare, Inc.	2620:127:f00c:0:0:0:0:0/46	🇨🇦 Canada	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 217ms

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

📝 TXT Records1 records 346ms

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

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.erfurt.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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)

🔐 DNSSEC116ms

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

🏷️ SOA68ms

Field	Value
Serial	2025091701
Primary NS (MNAME)	one.cloudns.dk
Responsible (RNAME)	hostmaster@cloudns.dk
Refresh	10800s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

73ms

A

74ms

MX

71ms

AAAA

56ms

TXT

346ms

CAA

69ms

HTTPS

68ms

TLSA

157ms

SOA

68ms

MTA-STS

71ms

DNSSEC

116ms

SRV

217ms

Total

963ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-23 04:44:54	963ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 08:07:30	2162ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 08:05:18	26090ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 08:01:32	816ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 08:00:42	937ms	3 NS 1 A 1 MX	🔓 Insecure	View