`trailrunninghd.com`

DNSSEC	⚠️ Not signed
A	2a01:4f8:221:11cd:9734:4c26:6044:5f33^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		PTR	`redirect.checkdomain.de`
A	88.99.101.251^{🇩🇪 Hetzner88.99.0.0/16 HETZNER-DC}
NS	`ns2.checkdomain.de` ⭐
		A	2a01:4f8:2b02:a88::106^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns2.checkdomain.de`
		A	5.9.190.98^{🇩🇪 Hetzner5.9.0.0/16 HETZNER-RZ-FKS-BLK5}
			PTR	`ns2.checkdomain.de`
NS	`ns.checkdomain.de`
		A	2a02:2b80:101:5000::9^{🇩🇪 CLOUDPIT2a02:2b80:101::/48}
		A	109.237.143.11^{🇩🇪 CLOUDPIT109.237.128.0/20}
			PTR	`ns1.checkdomain.de`
MX	`mx03.secure-mailgate.com` ⭐
		A	46.243.88.174^{🇩🇪 CLOUDPIT46.243.88.0/21}
			PTR	`node03.secure-mailgate.com`
		A	46.243.88.176^{🇩🇪 CLOUDPIT46.243.88.0/21}
			PTR	`node04.secure-mailgate.com`
MX	`mx04.secure-mailgate.com`⁽²⁰⁾
		A	46.243.88.175^{🇩🇪 CLOUDPIT46.243.88.0/21}
			PTR	`node03.secure-mailgate.com`
		A	46.243.88.177^{🇩🇪 CLOUDPIT46.243.88.0/21}
			PTR	`node04.secure-mailgate.com`
TXT	`v=spf1 include:secure-mailgate.com ?all`
SOA	`ns.checkdomain.de`hostmaster@checkdomain.de 2025-04-02 #1

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1778527971

Previously MX for

trailrunninghd.com

Same first word

trailrunninghd.com

DNS History

9 records (6 active, 3 former)

●NSns.checkdomain.de2018-05-08 → 2026-05-11 · 2 obs

● 2018-05-08 01:15:42
● 2026-05-11 19:39:34

●NSns2.checkdomain.de2018-05-08 → 2026-05-11 · 2 obs

● 2018-05-08 01:15:42
● 2026-05-11 19:39:34

●MXmx03.secure-mailgate.com2026-04-06 → 2026-05-11 · 3 obs

○ 2018-05-08 01:15:42
● 2026-04-06 22:40:58
● 2026-05-11 19:39:34

●MXmx04.secure-mailgate.com2026-04-06 → 2026-05-11 · 3 obs

○ 2018-05-08 01:15:42
● 2026-04-06 22:40:58
● 2026-05-11 19:39:34

○MXtrailrunninghd.com2018-05-08 → 2018-05-08 · 3 obs

● 2018-05-08 01:15:42
○ 2026-04-06 22:40:58
○ 2026-05-11 19:39:34

○A130.185.109.772018-05-08 → 2018-05-08 · 3 obs

● 2018-05-08 01:15:42
○ 2026-04-06 22:40:58
○ 2026-05-11 19:39:34

○A2a01:4a0:2002:4:1da9:a99f:5423:3cf12018-05-08 → 2018-05-08 · 3 obs

● 2018-05-08 01:15:42
○ 2026-04-06 22:40:58
○ 2026-05-11 19:39:34

●A2a01:4f8:221:11cd:9734:4c26:6044:5f332026-04-06 → 2026-05-11 · 3 obs

○ 2018-05-08 01:15:42
● 2026-04-06 22:40:58
● 2026-05-11 19:39:34

●A88.99.101.2512026-04-06 → 2026-05-11 · 3 obs

○ 2018-05-08 01:15:42
● 2026-04-06 22:40:58
● 2026-05-11 19:39:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
trailrunninghd.com	ns.checkdomain.de, ns2.checkdomain.de	-

✅ Authoritative Response

Server:109.237.143.11

NS records: ns.checkdomain.de, ns2.checkdomain.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for trailrunninghd.com (unsigned zone)

⏱️ Timing

Total: 1491ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`88.99.101.251`
AAAA	1	`2a01:4f8:221:11cd:9734:4c26:6044:5f33`
NS	2	`ns.checkdomain.de, ns2.checkdomain.de`
MX	2	`mx04.secure-mailgate.com (pri: 20), mx03.secure-mailgate.com (pri: 10)`
TXT	1	`v=spf1 include:secure-mailgate.com ?all`
SOA	1	`ns.checkdomain.de hostmaster.checkdomain`

Analysis

IP Addresses

trailrunninghd.com resolves to two IPs: 2a01:4f8:221:11cd:9734:4c26:6044:5f33 and 88.99.101.251.

other host names for instance smava.biz, train-the-trainer.info, infuco.com, siku.lt and dissolved-oxygen.com share IP numbers with trailrunninghd.com.

Name Servers

trailrunninghd.com is delegated to two name servers: ns2.checkdomain.de and ns.checkdomain.de.

trailrunninghd.com shares the same name server setup as other domains, for example ringooo.org, werkzeug24.ch, robert-menzel.de, roninsart.de and inapsis.net.

Host names with two IP numbers:

ns2.checkdomain.de points to 2a01:4f8:2b02:a88::106 and 5.9.190.98

ns.checkdomain.de points to 2a02:2b80:101:5000::9 and 109.237.143.11

Mail Servers

trailrunninghd.com is handled by two mail servers: mx03.secure-mailgate.com and mx04.secure-mailgate.com.

trailrunninghd.com shares the same mail server setup as other domains, for instance sq-host.de, feldenkrais-bewegen.de, bfds.de, mitochondrion.biz and brewsandmore.com.

Host names with two IP numbers:

mx03.secure-mailgate.com points to 46.243.88.174 and 46.243.88.176

mx04.secure-mailgate.com points to 46.243.88.175 and 46.243.88.177

trailrunninghd.com - robtex.com