3xandersen.dk

📜 Historical scan 2026-09-05 15:45:18 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

3xandersen.dk is a .dk domain served by 2 nameservers (milan.ns.cloudflare.com, robin.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.7.160 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by 3xandersen-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 36ms

Nameserver	IP addresses	PTR	ASN / ISP
milan.ns.cloudflare.com	108.162.195.21 162.159.44.21 172.64.35.21 2606:4700:58::a29f:2c15 2803:f800:50::6ca2:c315 2a06:98c1:50::ac40:2315	milan.ns.cloudflare.com milan.ns.cloudflare.com milan.ns.cloudflare.com milan.ns.cloudflare.com milan.ns.cloudflare.com milan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
robin.ns.cloudflare.com	108.162.192.218 172.64.32.218 173.245.58.218 2606:4700:50::adf5:3ada 2803:f800:50::6ca2:c0da 2a06:98c1:50::ac40:20da	robin.ns.cloudflare.com robin.ns.cloudflare.com robin.ns.cloudflare.com robin.ns.cloudflare.com robin.ns.cloudflare.com robin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.7.160	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.136.242	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	3xandersen-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca09:: 2a01:111:f403:ca09::26 2a01:111:f403:ca48::8 52.101.209.28 52.101.68.18 52.101.73.1 52.101.73.19	mail-db4pr02cu00204.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-cpjpr05cu00104.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-as8pr04cu00803.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 → 40.104.116.40
🔶 Autoconfig	104.21.7.160

🔷 AAAA Records (IPv6)#

2 records 41ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3036::6815:7a0	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:88f2	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 39ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.7.160,172.67.136.242 ech=AEX+DQBB+QAgACC4DdYqHTdxernrdnIyRrzQN/vHbEVb/PZAkAmRWTwPKAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::6815:7a0,2606:4700:3037::ac43:88f2

🔌 SRV Records#

1 records 70ms

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

📝 TXT Records#

2 records 145ms

TXT Record
MS=ms59310073
v=spf1 include:spf.protection.outlook.com include:spf.simply.com -all

✉️ SPF#

Policy	Record (3xandersen.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.simply.com -all

📨 DMARC#

Policy	Record (_dmarc.3xandersen.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;

📬 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-08 07:27:18

www	104.21.7.160 172.67.136.242 2606:4700:3036::6815:7a0 2606:4700:3037::ac43:88f2 (AS13335) (address records, no CNAME)
www vs bare domain	Same network 3xandersen.dk: 104.21.7.160 172.67.136.242 2606:4700:3036::6815:7a0 2606:4700:3037::ac43:88f2 (AS13335) www.3xandersen.dk: 104.21.7.160 172.67.136.242 2606:4700:3036::6815:7a0 2606:4700:3037::ac43:88f2 (AS13335)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-3xandersen-dk._domainkey.3xandersenaps.onmicrosoft.com	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

111ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2414022759
Primary NS (MNAME)	milan.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

36ms

33ms

35ms

AAAA

41ms

TXT

145ms

CAA

29ms

HTTPS

39ms

TLSA

324ms

SOA

0ms

MTA-STS

50ms

DNSSEC

111ms

SRV

70ms

Total

893ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 07:27:18	1652ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-26 02:22:27	1385ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-05 15:45:18 shown	893ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-03 03:33:08	1987ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-03 09:57:09	9170ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-28 23:23:46	1103ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-23 15:20:42	4237ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-22 14:13:22	1181ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 12:49:06	1499ms	2 NS 2 A 1 MX	🔓 Insecure