rebsdorf.dk DNS records

🖥️ Nameservers2 records 98ms

Nameserver	IP addresses	PTR	ASN / ISP
elliott.ns.cloudflare.com	108.162.195.228 162.159.44.228 172.64.35.228 2606:4700:58::a29f:2ce4 2803:f800:50::6ca2:c3e4 2a06:98c1:50::ac40:23e4	elliott.ns.cloudflare.com elliott.ns.cloudflare.com elliott.ns.cloudflare.com elliott.ns.cloudflare.com elliott.ns.cloudflare.com elliott.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
monroe.ns.cloudflare.com	108.162.194.153 162.159.38.153 172.64.34.153 2606:4700:50::a29f:2699 2803:f800:50::6ca2:c299 2a06:98c1:50::ac40:2299	monroe.ns.cloudflare.com monroe.ns.cloudflare.com monroe.ns.cloudflare.com monroe.ns.cloudflare.com monroe.ns.cloudflare.com monroe.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 73ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.15.214	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.164.126	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 125ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	rebsdorf-dk.mail.protection.outlook.com	2a01:111:f403:ca09::3 2a01:111:f403:ca09::4 2a01:111:f403:ca09::5 2a01:111:f403:ca09::7 52.101.103.140 52.101.68.21 52.101.68.8 52.101.73.24	mail-am6pr04cu00303.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-du0pr03cu00100.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

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.8
🔶 Autoconfig	104.21.15.214

🔷 AAAA Records (IPv6)2 records 124ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::6815:fd6	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:a47e	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 65ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.15.214,172.67.164.126 ech=AEX+DQBBFwAgACBXQNZW1QY4IKhbu/+6krRohaxDoObjOZYdla7tpF5bawAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:fd6,2606:4700:3037::ac43:a47e

📝 TXT Records2 records 412ms

TXT Record
MS=ms82836060
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.rebsdorf.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:peter@rebsdorf.dk; fo=1

📬 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)

🔐 DNSSEC240ms

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	2412908373
Primary NS (MNAME)	elliott.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

98ms

A

73ms

MX

125ms

AAAA

124ms

TXT

412ms

CAA

121ms

HTTPS

65ms

TLSA

1352ms

SOA

0ms

MTA-STS

138ms

DNSSEC

240ms

SRV

259ms

Total

6461ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-23 19:38:44	6461ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-21 17:45:44	11991ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-03 00:51:25	1569ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-25 22:08:31	942ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-21 14:30:06	369ms	2 NS 0 A 0 MX	🔒 Secure	View
2026-06-17 23:18:27	781ms	2 NS 1 A 1 MX	🔒 Secure	View