`grossmann.at`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:cece^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:328e^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.50.142^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.206.206^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`amit.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b3f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amit.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c13f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`amit.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:213f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`amit.ns.cloudflare.com`
		A	108.162.193.63^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amit.ns.cloudflare.com`
		A	172.64.33.63^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amit.ns.cloudflare.com`
		A	173.245.59.63^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amit.ns.cloudflare.com`
NS	`aron.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a45^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aron.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c045^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`aron.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2045^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`aron.ns.cloudflare.com`
		A	108.162.192.69^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aron.ns.cloudflare.com`
		A	172.64.32.69^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aron.ns.cloudflare.com`
		A	173.245.58.69^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aron.ns.cloudflare.com`
MX	`mail.grossmann.at` ⭐
		A	2603:c020:8012:4700:4b14:b037:979b:c989^{🇩🇪 ORACLE-OCI-318982603:c020:8000::/35 Oracle Corporation}
			PTR	`mail.grossmann.at`
		A	141.147.35.131^{🇩🇪 ORACLE-OCI-31898141.147.0.0/18 Oracle Corporation}
			PTR	`mail.grossmann.at`
MX	`mx30.grossmann.at`⁽³⁰⁾
		A	2603:c020:8012:4701:2afd:d93a:100d:b0c4^{🇩🇪 ORACLE-OCI-318982603:c020:8000::/35 Oracle Corporation}
		A	130.61.137.225^{🇩🇪 ORACLE-OCI-31898130.61.128.0/17 Oracle Corporation}
			PTR	`mx30.grossmann.at`
TXT	`MS=ms14803290`
TXT	`google-site-verification=fCMfQDiG7kAChd3HSv0EEL2vIp3SRA7zkA0mVIBCygc`
TXT	`grossmann.azurewebsites.net`
TXT	`v=spf1 MX include:_spf.grossmann.at include:sendgrid.net -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.50.142, 172.67.206.206
		IPv6	2606:4700:3031::ac43:cece, 2606:4700:3037::6815:328e
SOA	`amit.ns.cloudflare.com`dns@cloudflare.com serial=2398871225

`at`

	DNSSEC	🔒 Signed (DS record present)
	NS	`dns.nic.at` ⭐
	NS	`d.ns.at` 🔒
	NS	`j.ns.at` 🔒
	NS	`n.ns.at` 🔒
	NS	`ns1.univie.ac.at`
	NS	`ns2.univie.ac.at`
	NS	`r.ns.at` 🔒
	NS	`u.ns.at` 🔒
	SOA	`dns.nic.at`domain-admin@univie.ac.at serial=1771290002

Subdomains

mail.grossmann.at

mx20.grossmann.at

www.grossmann.at

mx30.grossmann.at

Same first word

grossmann.fr

grossmann.co

grossmann.at

grossmann.eu

grossmann.biz

grossmann.me

grossmann.in

grossmann.be

grossmann.com

grossmann.ch

grossmann.io

grossmann.dev

grossmann.nexus

grossmann.se

grossmann.lu

grossmann.de

DNS History

22 records (8 active, 14 former)

●NSamit.ns.cloudflare.com2020-01-15 → 2026-03-16 · 3 obs

○ 2017-02-14 00:09:04
● 2020-01-15 01:38:46
● 2026-03-16 15:23:32

●NSaron.ns.cloudflare.com2020-01-15 → 2026-03-16 · 3 obs

○ 2017-02-14 00:09:04
● 2020-01-15 01:38:46
● 2026-03-16 15:23:32

○NSdns1.inode.at2015-08-02 → 2016-07-05 · 4 obs

● 2015-08-02 08:48:26
● 2016-07-05 01:38:04
○ 2017-02-14 00:09:04
○ 2026-03-16 15:23:32

○NSdns2.inode.at2015-08-02 → 2016-07-05 · 4 obs

● 2015-08-02 08:48:26
● 2016-07-05 01:38:04
○ 2017-02-14 00:09:04
○ 2026-03-16 15:23:32

○NSns1.upc.biz2017-02-14 → 2017-02-14 · 4 obs

○ 2016-07-05 01:38:04
● 2017-02-14 00:09:04
○ 2020-01-15 01:38:46
○ 2026-03-16 15:23:32

○NSns2.upc.biz2017-02-14 → 2017-02-14 · 4 obs

○ 2016-07-05 01:38:04
● 2017-02-14 00:09:04
○ 2020-01-15 01:38:46
○ 2026-03-16 15:23:32

●MXmail.grossmann.at2020-01-15 → 2026-03-16 · 3 obs

○ 2017-02-14 00:09:04
● 2020-01-15 01:38:46
● 2026-03-16 15:23:32

○MXmx.zoho.com2017-02-14 → 2017-02-14 · 4 obs

○ 2016-07-05 01:38:04
● 2017-02-14 00:09:04
○ 2020-01-15 01:38:46
○ 2026-03-16 15:23:32

○MXmx.zohomail.com2015-08-02 → 2016-07-05 · 4 obs

● 2015-08-02 08:48:26
● 2016-07-05 01:38:04
○ 2017-02-14 00:09:04
○ 2026-03-16 15:23:32

○MXmx2.zoho.com2017-02-14 → 2017-02-14 · 4 obs

○ 2016-07-05 01:38:04
● 2017-02-14 00:09:04
○ 2020-01-15 01:38:46
○ 2026-03-16 15:23:32

○MXmx2.zohomail.com2015-08-02 → 2016-07-05 · 4 obs

● 2015-08-02 08:48:26
● 2016-07-05 01:38:04
○ 2017-02-14 00:09:04
○ 2026-03-16 15:23:32

○MXmx3.zoho.com2017-02-14 → 2017-02-14 · 4 obs

○ 2016-07-05 01:38:04
● 2017-02-14 00:09:04
○ 2020-01-15 01:38:46
○ 2026-03-16 15:23:32

●MXmx30.grossmann.at2026-02-22 → 2026-03-16 · 3 obs

○ 2020-01-15 01:38:46
● 2026-02-22 19:47:56
● 2026-03-16 15:23:32

○MXmxbackup.grossmann.at2020-01-15 → 2020-01-15 · 4 obs

○ 2017-02-14 00:09:04
● 2020-01-15 01:38:46
○ 2026-02-22 19:47:56
○ 2026-03-16 15:23:32

●A104.21.50.1422026-02-22 → 2026-03-16 · 3 obs

○ 2020-01-15 01:38:46
● 2026-02-22 19:47:56
● 2026-03-16 15:23:32

○A104.24.96.742020-01-15 → 2020-01-15 · 3 obs

● 2020-01-15 01:38:46
○ 2026-02-22 19:47:56
○ 2026-03-16 15:23:32

○A104.24.97.742020-01-15 → 2020-01-15 · 3 obs

● 2020-01-15 01:38:46
○ 2026-02-22 19:47:56
○ 2026-03-16 15:23:32

●A172.67.206.2062026-02-22 → 2026-03-16 · 3 obs

○ 2020-01-15 01:38:46
● 2026-02-22 19:47:56
● 2026-03-16 15:23:32

○A2606:4700:30::6818:604a2020-01-15 → 2020-01-15 · 3 obs

● 2020-01-15 01:38:46
○ 2026-02-22 19:47:56
○ 2026-03-16 15:23:32

○A2606:4700:30::6818:614a2020-01-15 → 2020-01-15 · 3 obs

● 2020-01-15 01:38:46
○ 2026-02-22 19:47:56
○ 2026-03-16 15:23:32

●A2606:4700:3031::ac43:cece2026-02-22 → 2026-03-16 · 3 obs

○ 2020-01-15 01:38:46
● 2026-02-22 19:47:56
● 2026-03-16 15:23:32

●A2606:4700:3037::6815:328e2026-02-22 → 2026-03-16 · 3 obs

○ 2020-01-15 01:38:46
● 2026-02-22 19:47:56
● 2026-03-16 15:23:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
at	n.ns.at, u.ns.at, r.ns.at, ns2.univie.ac.at...	-
grossmann.at	amit.ns.cloudflare.com, aron.ns.cloudflare.com	-

✅ Authoritative Response

Server: 108.162.192.69

NS records: amit.ns.cloudflare.com, aron.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for grossmann.at (unsigned zone)

⏱️ Timing

Total: 679ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.50.142, 172.67.206.206`
AAAA	2	`2606:4700:3031::ac43:cece, 2606:4700:3037::6815:328e`
NS	2	`amit.ns.cloudflare.com, aron.ns.cloudflare.com`
MX	2	`mail.grossmann.at (pri: 10), mx30.grossmann.at (pri: 30)`
TXT	4	`MS=ms14803290, google-site-verification=fCMfQDiG7kAChd3...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`amit.ns.cloudflare.com dns.cloudflare.co`

Analysis

Hierarchy

grossmann.at is parent of mail.grossmann.at, mx20.grossmann.at, www.grossmann.at and mx30.grossmann.at.

IP Addresses

grossmann.at points to four IP numbers: 2606:4700:3031::ac43:cece, 2606:4700:3037::6815:328e, 104.21.50.142 and 172.67.206.206.

Other host names including relomanagenet.com, allegrolokalnie.6338491.click, gerardbattenmep.co.uk, ksa.llc and hd0511.cn share IP numbers with grossmann.at.

Name Servers

grossmann.at's delegation uses two name servers, amit.ns.cloudflare.com and aron.ns.cloudflare.com.

grossmann.at shares the same name server setup as other domains, for example secureaol.pages.dev, mental.gr, kelesidis.edu.gr, insuranceoffice.gr and breakwaterfamily.com.

grossmann.at at least partially shares name servers with other domains, including kaiminsaat.com, sjpgs.com, nashuanhcarpets.com, 5400-hkb77.xyz and okullisteleri.com.

these name servers are commonly used together with lex.ns.cloudflare.com, jake.ns.cloudflare.com and amber.ns.cloudflare.com.

Host names with six IP numbers:

amit.ns.cloudflare.com points to: 2606:4700:58::adf5:3b3f, 2803:f800:50::6ca2:c13f, 2a06:98c1:50::ac40:213f, 108.162.193.63, 172.64.33.63 and 173.245.59.63.

aron.ns.cloudflare.com points to: 2606:4700:50::adf5:3a45, 2803:f800:50::6ca2:c045, 2a06:98c1:50::ac40:2045, 108.162.192.69, 172.64.32.69 and 173.245.58.69.

Mail Servers

grossmann.at is handled by two mail servers: mail.grossmann.at and mx30.grossmann.at.

Host names with two IPs:

mail.grossmann.at points to: 2603:c020:8012:4700:4b14:b037:979b:c989 and 141.147.35.131

mx30.grossmann.at points to: 2603:c020:8012:4701:2afd:d93a:100d:b0c4 and 130.61.137.225

grossmann.at - robtex.com

grossmann.at

at

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`grossmann.at`

`at`