`mathswhiteboard.com`

DNSSEC	⚠️ Not signed
A	2a01:4f8:d0a:52a3::2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		PTR	`www373.your-server.de`
A	78.46.155.245^{🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5}
NS	`ns1.your-server.de` ⭐
		A	2a01:4f8:0:1::5ddc:1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns1.your-server.de`
		A	213.133.100.102^{🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1}
			PTR	`ns1.your-server.de`
NS	`ns.second-ns.com`
		A	2a01:4f8:0:a101::b:1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns.second-ns.com`
		A	213.239.204.242^{🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2}
			PTR	`ns.second-ns.com`
NS	`ns3.second-ns.de`
		A	2001:67c:192c::add:b3^{🇩🇪 NORIS-NETWORK2001:67c:192c::/48}
			PTR	`ns3.second-ns.de`
		A	193.47.99.4^{🇩🇪 NORIS-NETWORK193.47.99.0/24}
			PTR	`ns3.second-ns.de`
MX	`www373.your-server.de` ⭐
		A	2a01:4f8:d0a:52a3::2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`www373.your-server.de`
		A	78.46.155.245^{🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5}
			PTR	`www373.your-server.de`
TXT	`v=spf1 a mx ptr ip4:78.46.155.245 include:_spf.your-server.de -all`
SOA	`ns1.your-server.de`postmaster@your-server.de 2026-01-22 #4

`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=1775468867

Same first word

mathswhiteboard.com

DNS History

6 records (6 active, 0 former)

●NSns.second-ns.com2026-03-22 → 2026-04-06 · 2 obs

● 2026-03-22 03:29:12
● 2026-04-06 10:02:50

●NSns1.your-server.de2026-03-22 → 2026-04-06 · 2 obs

● 2026-03-22 03:29:12
● 2026-04-06 10:02:50

●NSns3.second-ns.de2026-03-22 → 2026-04-06 · 2 obs

● 2026-03-22 03:29:12
● 2026-04-06 10:02:50

●MXwww373.your-server.de2026-03-22 → 2026-04-06 · 2 obs

● 2026-03-22 03:29:12
● 2026-04-06 10:02:50

●A2a01:4f8:d0a:52a3::22026-03-22 → 2026-04-06 · 2 obs

● 2026-03-22 03:29:12
● 2026-04-06 10:02:50

●A78.46.155.2452026-03-22 → 2026-04-06 · 2 obs

● 2026-03-22 03:29:12
● 2026-04-06 10:02:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net, d.gtld-servers.net...	-
mathswhiteboard.com	ns1.your-server.de, ns.second-ns.com, ns3.second-ns.de	2 records

✅ Authoritative Response

Server:213.133.100.102

NS records: ns1.your-server.de, ns.second-ns.com, ns3.second-ns.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathswhiteboard.com (unsigned zone)

⏱️ Timing

Total: 417ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`78.46.155.245`
AAAA	1	`2a01:4f8:d0a:52a3::2`
NS	3	`ns.second-ns.com, ns1.your-server.de...`
MX	1	`www373.your-server.de (pri: 10)`
TXT	1	`v=spf1 a mx ptr ip4:78.46.155.245 includ`
SOA	1	`ns1.your-server.de postmaster.your-serve`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.second-ns.com, ns.second-ns.com)

Analysis

IP Addresses

mathswhiteboard.com points to two IP numbers: 2a01:4f8:d0a:52a3::2 and 78.46.155.245.

Other host names, for instance www.bonder-hochzeitsfotografie.de, mail.karat-werbung.de, freigut-thallern.at, physiotherapie-vitalis.de and malevich.org share IP numbers with mathswhiteboard.com.

Name Servers

The delegation for mathswhiteboard.com is handled by three name servers: ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de.

mathswhiteboard.com at least partially shares name servers with other domains, for instance anderwo.com, aware-film.com, 4.c.1.5.1.4.2.0.8.f.4.0.1.0.a.2.ip6.arpa, fusspunkt.de and a2l.biz.

Two IP numbers per host:

ns.second-ns.com points to 2a01:4f8:0:a101::b:1 and 213.239.204.242.

ns3.second-ns.de points to 2001:67c:192c::add:b3 and 193.47.99.4.

ns1.your-server.de points to 2a01:4f8:0:1::5ddc:1 and 213.133.100.102.

Mail Servers

mathswhiteboard.com is handled by a single mail server, www373.your-server.de.

mathswhiteboard.com uses the same mail server configuration as other domains, such as eckar.de, ialabor.de, weltenfall.de, rogge.net and martin-darting.de.

mathswhiteboard.com shares some mail servers with other domains at least partially, for example bl-dev.de.

www373.your-server.de resolves to two IP numbers: 2a01:4f8:d0a:52a3::2 and 78.46.155.245.

mathswhiteboard.com - robtex.com