estaldo.dk

📜 Historical scan 2026-06-20 17:30:32 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

estaldo.dk is a .dk domain served by 2 nameservers (brett.ns.cloudflare.com, elsa.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.77.117 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by estaldo-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no 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 98ms

Nameserver	IP addresses	PTR	ASN / ISP
brett.ns.cloudflare.com	108.162.193.76 172.64.33.76 173.245.59.76 2606:4700:58::adf5:3b4c 2803:f800:50::6ca2:c14c 2a06:98c1:50::ac40:214c	brett.ns.cloudflare.com brett.ns.cloudflare.com brett.ns.cloudflare.com brett.ns.cloudflare.com brett.ns.cloudflare.com brett.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
elsa.ns.cloudflare.com	108.162.192.111 172.64.32.111 173.245.58.111 2606:4700:50::adf5:3a6f 2803:f800:50::6ca2:c06f 2a06:98c1:50::ac40:206f	elsa.ns.cloudflare.com elsa.ns.cloudflare.com elsa.ns.cloudflare.com elsa.ns.cloudflare.com elsa.ns.cloudflare.com elsa.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 115ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.77.117	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.207.91	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 104ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	estaldo-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::a 2a01:111:f403:ca09::1 2a01:111:f403:ca09::8 52.101.68.0 52.101.68.25 52.101.73.24 52.101.73.4	mail-db4pr02cu00204.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com mail-am0pr83cu00404.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 → 52.98.151.72

🔷 AAAA Records (IPv6)#

2 records 119ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::ac43:cf5b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:4d75	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 91ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.77.117,172.67.207.91 ech=AEX+DQBB/gAgACBIVulMEx7OVziL8f6Guob9W5ShrfTsiK0KKx+rZQwZKgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:cf5b,2606:4700:3037::6815:4d75

📝 TXT Records#

2 records 291ms

TXT Record
MS=ms31585820
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (estaldo.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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-08 02:03:15

www	104.21.77.117 172.67.207.91 2606:4700:3034::6815:4d75 2606:4700:3037::ac43:cf5b (AS13335) (address records, no CNAME)
www vs bare domain	Same network estaldo.dk: 104.21.77.117 172.67.207.91 2606:4700:3034::6815:4d75 2606:4700:3037::ac43:cf5b (AS13335) www.estaldo.dk: 104.21.77.117 172.67.207.91 2606:4700:3034::6815:4d75 2606:4700:3037::ac43:cf5b (AS13335)
Wildcard	No

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-estaldo-dk._domainkey.estaldocom.onmicrosoft.com	RSA · ~1024 bit below 2048 bit
selector2	selector2-estaldo-dk._domainkey.estaldocom.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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

263ms

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

🏷️ SOA#

85ms

Field	Value
Serial	2405917735
Primary NS (MNAME)	brett.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#

98ms

115ms

104ms

AAAA

119ms

TXT

291ms

CAA

97ms

HTTPS

91ms

TLSA

611ms

SOA

85ms

MTA-STS

101ms

DNSSEC

263ms

SRV

145ms

Total

1818ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-27 21:03:42	3155ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-03 10:52:37	10347ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-25 15:51:36	1262ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-25 03:51:41	869ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-24 03:29:58	1627ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-06 19:45:54	6443ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-20 17:30:32 shown	1818ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 08:25:05	504ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 08:24:59	745ms	2 NS 2 A 1 MX	🔓 Insecure