gronborg-el.dk DNS records

🖥️ Nameservers2 records 61ms

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 64ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.149.228.10	3600s	webcluster02.tigermedia.eu	AS48854	team.blue Denmark A/S	185.149.228.0/24	🇩🇰 Denmark	—

📧 MX Records2 records 55ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	d331249.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.
20	3600s	d331249.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 → 40.104.116.8

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 8091ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records2 records 206ms

TXT Record
MS=ms84177347
v=spf1 ip4:188.176.107.182 include:spf.protection.outlook.com a:mx1-sg.systemgruppen.dk a:mx2-sg.systemgruppen.dk a:mail01.tigermedia.eu include:spf.ess.de.barracudanetworks.com -all

✉️ SPF

Policy	Record (gronborg-el.dk)
-all (hard fail)	v=spf1 ip4:188.176.107.182 include:spf.protection.outlook.com a:mx1-sg.systemgruppen.dk a:mx2-sg.systemgruppen.dk a:mail01.tigermedia.eu include:spf.ess.de.barracudanetworks.com -all

📨 DMARC

Policy	Record (_dmarc.gronborg-el.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:dmarc@gronborg-el.dk;

📬 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)

🔐 DNSSEC224ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081001
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

61ms

A

64ms

MX

55ms

AAAA

60ms

TXT

206ms

CAA

66ms

HTTPS

60ms

TLSA

141ms

SOA

0ms

MTA-STS

55ms

DNSSEC

224ms

SRV

8091ms

Total

9005ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-11 02:14:20	9005ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-07-18 04:21:59	1221ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-07-14 06:04:26	9148ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-07-01 23:55:51	742ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-17 09:22:52	1050ms	2 NS 1 A 2 MX	🔒 Secure	View