eltso.dk DNS records

🖥️ Nameservers2 records 52ms

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 Records1 records 40ms

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 Records1 records 48ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	eltso-dk.mail.protection.outlook.com	2a01:111:f403:ca09::2 2a01:111:f403:ca09::20 2a01:111:f403:ca09::24 2a01:111:f403:ca48::c 52.101.68.25 52.101.68.3 52.101.68.5 52.101.73.6	mail-am0pr83cu00402.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am6pr04cu00306.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 Records2 records 92ms

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

📝 TXT Records3 records 195ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC126ms

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

🏷️ SOA0ms

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

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

52ms

A

40ms

MX

48ms

AAAA

52ms

TXT

195ms

CAA

66ms

HTTPS

89ms

TLSA

597ms

SOA

0ms

MTA-STS

104ms

DNSSEC

126ms

SRV

92ms

Total

1423ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 04:29:14	1423ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 09:41:58	858ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-06 22:43:11	5897ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 21:21:44	831ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 22:00:47	1836ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 18:54:14	931ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 07:05:44	529ms	2 NS 1 A 1 MX	🔒 Secure	View