flash-u.com - dns.ninja

`flash-u.com`

DNSSEC	⚠️ Not signed
A	94.130.89.243^{🇩🇪 Hetzner94.130.0.0/16 HETZNER-DC}
		PTR	`customers.contextmatters.de`
NS	`ns1.first-ns.de` ⭐
		A	2a01:4f8:0:a101::a:1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns1.first-ns.de`
		A	213.239.242.238^{🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2}
			PTR	`ns1.first-ns.de`
NS	`robotns2.second-ns.de`
		A	2a01:4f8:0:1::5ddc:2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`robotns2.second-ns.de`
		A	213.133.100.103^{🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1}
			PTR	`robotns2.second-ns.de`
NS	`robotns3.second-ns.com`
		A	2001:67c:192c::add:a3^{🇩🇪 NORIS-NETWORK2001:67c:192c::/48}
			PTR	`robotns3.second-ns.com`
		A	193.47.99.3^{🇩🇪 NORIS-NETWORK193.47.99.0/24}
			PTR	`robotns3.second-ns.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c29::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadum-in-f26.1e100.net`
		A	172.253.115.26^{🇺🇸 Google172.253.115.0/24}
			PTR	`bg-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`google-site-verification=C7g8H8m59TVD49ZeKH1V3THxhnTQ31bq1inm_RStKZU`
TXT	`google-site-verification=r9MrcT6lVYOz5GTeuLx-W2-WA3vLVpbnq_VmHAy7CT0`
TXT	`v=spf1 include:spf.mandrillapp.com include:_spf.google.com include:servers.mc...`
SOA	`ns1.first-ns.de`dns@hetzner.com 2026-07-03 #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=1785698017

Subdomains

com.flash-u.com

mail.flash-u.com

apps.flash-u.com

Same first word

flash-u.org

flash-u.com

flash-u.de

flash-u.info

flash-u.eu

flash-u.net

flash-u.biz

Similar names

hlf-usa.com

u-flash.ru

flush-a.com

fl-haus.ru

shual-f.org.il

u-flash.com

DNS History

12 records (9 active, 3 former)

●NSns1.first-ns.de2015-06-05 → 2026-08-02 · 2 obs

● 2015-06-05 05:09:34
● 2026-08-02 19:23:20

●NSrobotns2.second-ns.de2015-06-05 → 2026-08-02 · 2 obs

● 2015-06-05 05:09:34
● 2026-08-02 19:23:20

●NSrobotns3.second-ns.com2015-06-05 → 2026-08-02 · 2 obs

● 2015-06-05 05:09:34
● 2026-08-02 19:23:20

●MXalt1.aspmx.l.google.com2016-01-01 → 2026-08-02 · 3 obs

○ 2015-10-22 07:26:32
● 2016-01-01 12:55:58
● 2026-08-02 19:23:20

●MXalt2.aspmx.l.google.com2016-01-01 → 2026-08-02 · 3 obs

○ 2015-10-22 07:26:32
● 2016-01-01 12:55:58
● 2026-08-02 19:23:20

●MXalt3.aspmx.l.google.com2016-01-01 → 2026-08-02 · 3 obs

○ 2015-10-22 07:26:32
● 2016-01-01 12:55:58
● 2026-08-02 19:23:20

●MXalt4.aspmx.l.google.com2016-01-01 → 2026-08-02 · 3 obs

○ 2015-10-22 07:26:32
● 2016-01-01 12:55:58
● 2026-08-02 19:23:20

●MXaspmx.l.google.com2016-01-01 → 2026-08-02 · 3 obs

○ 2015-10-22 07:26:32
● 2016-01-01 12:55:58
● 2026-08-02 19:23:20

○MXmail.flash-u.com2015-06-05 → 2015-10-22 · 4 obs

● 2015-06-05 05:09:34
● 2015-10-22 07:26:32
○ 2016-01-01 12:55:58
○ 2026-08-02 19:23:20

○A176.9.9.262015-06-05 → 2015-06-05 · 3 obs

● 2015-06-05 05:09:34
○ 2015-10-22 07:26:32
○ 2026-08-02 19:23:20

○A178.63.3.152015-10-22 → 2016-10-31 · 5 obs

○ 2015-06-05 05:09:34
● 2015-10-22 07:26:32
● 2016-10-31 06:51:58
○ 2026-02-19 10:53:36
○ 2026-08-02 19:23:20

●A94.130.89.2432026-02-19 → 2026-08-02 · 3 obs

○ 2016-10-31 06:51:58
● 2026-02-19 10:53:36
● 2026-08-02 19:23:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
flash-u.com	ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com	2 records

✅ Authoritative Response

Server:213.239.242.238

NS records: ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for flash-u.com (unsigned zone)

⏱️ Timing

Total: 706ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`94.130.89.243`
NS	3	`robotns2.second-ns.de, robotns3.second-ns.com...`
MX	5	`alt4.aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 5)...`
TXT	3	`google-site-verification=C7g8H8m59TVD49Z, google-site-verification=r9MrcT6lVYOz5GT...`
SOA	1	`ns1.first-ns.de dns.hetzner.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (robotns3.second-ns.com, robotns3.second-ns.com)

Analysis

Hierarchy

com.flash-u.com, mail.flash-u.com and apps.flash-u.com are all subdomains of flash-u.com.

IP Addresses

flash-u.com points to a single IP number: 94.130.89.243.

Additional host names — mail.realityzoom.de, parken-schleswig-holstein.de, contextmatters.de and two others — share IP numbers with flash-u.com.

Name Servers

flash-u.com is delegated to three name servers: robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.

The name servers of flash-u.com overlap at least partially with those of other domains — among them kartenlegen-hellsehen-astrologie.de, bridgetogantry.com, boxappetit.com and two more.

These name servers commonly appear in combination with the name servers hydrogen.ns.hetzner.com.

robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de each resolve to two IP addresses: robotns3.second-ns.com resolves to 193.47.99.3 and 2001:67c:192c::add:a3; ns1.first-ns.de resolves to 213.239.242.238 and 2a01:4f8:0:a101::a:1; robotns2.second-ns.de resolves to 213.133.100.103 and 2a01:4f8:0:1::5ddc:2.

Mail Servers

Five mail servers handle flash-u.com: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

flash-u.com shares mail servers — at least in part — with other domains, including kincaidesign.com, aldointernational.com, pratechelectronics.com and two others.

These mail servers are frequently used alongside mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 other.

Host names with two IP numbers:

aspmx.l.google.com points to 172.253.115.26 and 2607:f8b0:4004:c29::1a.

alt1.aspmx.l.google.com points to 108.177.123.27 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com points to 172.253.116.26 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com points to 192.178.223.27 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com points to 172.253.157.26 and 2a00:1450:400c:c23::1b.