eltso.dk

📜 Historical scan 2026-07-02 21:21:44 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

eltso.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 12 October 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.209.190.134 is hosted by Kontainer A/S (AS198452) in Denmark. Mail is handled by eltso-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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 39ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.209.190.134	3600s	gezto1	AS198452	Kontainer A/S	91.209.190.0/24	🇩🇰 Denmark	—

📧 MX Records#

1 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	eltso-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca09:: 2a01:111:f403:ca09::6 2a01:111:f403:ca09::7 52.101.68.15 52.101.68.21 52.101.68.27 52.101.73.1	mail-du0pr03cu00102.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-am3pr04cu00501.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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

2 records 47ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	autodiscover.eltronic.dk
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records#

3 records 157ms

TXT Record
MS=ms28422116
rKSmf5cjKk0cfNiIUv6X2BaZm9g9XmaDBakBRueIP4GLVM2Rcjt/P2bVouQdWvn+T2cHWqJNRFokmoc4YWxlEg==
v=spf1 ip4:185.37.85.81 ip4:185.37.35.66 include:spf.protection.outlook.com include:emsd1.com include:spf.symprex.net include:_spf.emply.com include:spf.eu.signature365.net -all

✉️ SPF#

Policy	Record (eltso.dk)
-all (hard fail)	v=spf1 ip4:185.37.85.81 ip4:185.37.35.66 include:spf.protection.outlook.com include:emsd1.com include:spf.symprex.net include:_spf.emply.com include:spf.eu.signature365.net -all

📨 DMARC#

Policy	Record (_dmarc.eltso.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email

📬 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 2026-10-12 21:44:28

www CNAME	eltso.dk (all on eltso.dk) → 91.209.190.134 (AS198452)
www vs bare domain	Same network eltso.dk: 91.209.190.134 (AS198452) www.eltso.dk: 91.209.190.134 (AS198452)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-eltso-dk._domainkey.eltronic.onmicrosoft.com	RSA · ~1024 bit below 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: 5/10 · policy: -all

error include:spf.symprex.net has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

67ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

33ms

Field	Value
Serial	2026030701
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-07 12:34:07

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2005-10-12
Expires	2026-10-31 (12d)

📋 WHOIS#

⏱️ Lookup Timing#

39ms

35ms

44ms

AAAA

48ms

TXT

157ms

CAA

41ms

HTTPS

32ms

TLSA

214ms

SOA

33ms

MTA-STS

45ms

DNSSEC

67ms

SRV

47ms

Total

831ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 21:44:28	1335ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-07 12:31:40	2367ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 08:42:54	1807ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-08 20:23:31	1809ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-28 04:29:14	1423ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 09:41:58	858ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-06 22:43:11	5897ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-02 21:21:44 shown	831ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 22:00:47	1836ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 18:54:14	931ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 07:05:44	529ms	2 NS 1 A 1 MX	🔒 Secure