elforbindelsen.dk DNS records

🖥️ Nameservers2 records 36ms

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 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
162.159.135.42	3600s	—	AS13335	Cloudflare, Inc.	162.159.128.0/19	—	—

📧 MX Records2 records 24ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	d301861.a.ess.de.barracudanetworks.com	18.185.115.250 18.185.115.251 18.185.115.252	mail.ess.de.barracuda.com mail.ess.de.barracuda.com mail.ess.de.barracuda.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
10	3600s	d301861.b.ess.de.barracudanetworks.com	18.185.115.250 18.185.115.251 18.185.115.252	mail.ess.de.barracuda.com mail.ess.de.barracuda.com mail.ess.de.barracuda.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.56

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 205ms

TXT Record
ca3-de94592fe5be47029a09962b3982a509
v=spf1 include:spf.protection.outlook.com include:spf.ess.de.barracudanetworks.com include:_custspf.one.com ip4:35.157.190.224/27 ip4:152.115.73.90 -all

✉️ SPF

Policy	Record (elforbindelsen.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.ess.de.barracudanetworks.com include:_custspf.one.com ip4:35.157.190.224/27 ip4:152.115.73.90 -all

📨 DMARC

Policy	Record (_dmarc.elforbindelsen.dk)
p=quarantine	v=DMARC1; p=quarantine;

📬 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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.elforbindelsen.dk	elforbindelsen.dk.kinstavalidation.app

🔗 TLSA / DANE

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

🔐 DNSSEC104ms

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

🏷️ SOA0ms

Field	Value
Serial	2026090303
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

36ms

A

36ms

MX

24ms

AAAA

30ms

TXT

205ms

CAA

33ms

HTTPS

35ms

TLSA

129ms

SOA

0ms

MTA-STS

44ms

DNSSEC

104ms

SRV

75ms

Total

705ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-03 22:09:34	705ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-09-01 21:00:12	849ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-30 17:19:22	615ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-29 04:50:27	1641ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-28 02:19:13	710ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-27 01:59:41	809ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-26 23:07:30	1371ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-25 06:59:09	1952ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-24 06:41:02	1348ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-23 04:23:05	9004ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-22 04:07:19	6079ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-21 03:51:20	5374ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-20 02:47:49	1395ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-19 02:17:33	7913ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-18 01:58:26	3935ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-15 21:53:21	4567ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-14 12:19:46	1091ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-12 23:47:09	2720ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-11 17:14:06	3358ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-10 12:20:11	2038ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-08 19:09:59	9030ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-06 19:13:01	1324ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-04 18:28:16	1571ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-02 12:38:14	9021ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-07-28 19:03:16	1806ms	2 NS 1 A 2 MX	🔒 Secure	View