grgu.com - robtex.com
grgu.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.171.234.151🇬🇧 CLARANET-AS81.171.128.0/17 Claranet UK Ltd | ||||||
| NS | dns11.safenames.com ⭐ | ||||||
| A | 2400:cb00:2049:1::a29f:309f🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.48.159Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dns11.safenames.com | ||||||
| NS | dns12.safenames.net | ||||||
| A | 2400:cb00:2049:1::a29f:31d0🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.49.208Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dns12.safenames.net | ||||||
| NS | dns13.safenames.org | ||||||
| A | 2400:cb00:2049:1::ac40:30fb🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 172.64.48.251🇺🇸 Cloudflare172.64.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dns13.safenames.org | ||||||
| MX | service73.mimecast.com ⭐ | ||||||
| MX | service74.mimecast.com ⭐ | ||||||
| MX | mail-delivery.star.net.uk(500) | ||||||
| A | 10.200.4.205 | ||||||
| SOA | dns11.safenames.comhostmaster@safenames.net 2025-05-22 #0 | ||||||
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.netnstld@verisign-grs.com serial=1774781577 | ||||||
Subdomains
www.grgu.com |
Similar names
DNS History
14 records (7 active, 7 former)
○NSdns1.safenames.com2017-02-13 → 2017-05-05 · 5 obs
● 2017-02-13 10:27:28
● 2017-05-05 11:02:42
○ 2026-03-29 11:20:18
○ 2026-03-29 11:20:20
●NSdns11.safenames.com2026-03-29 → 2026-03-29 · 3 obs
● 2026-03-29 11:20:18
● 2026-03-29 11:20:20
●NSdns12.safenames.net2026-03-29 → 2026-03-29 · 3 obs
● 2026-03-29 11:20:18
● 2026-03-29 11:20:20
●NSdns13.safenames.org2026-03-29 → 2026-03-29 · 3 obs
● 2026-03-29 11:20:18
● 2026-03-29 11:20:20
○NSdns2.safenames.net2017-02-13 → 2017-05-05 · 5 obs
● 2017-02-13 10:27:28
● 2017-05-05 11:02:42
○ 2026-03-29 11:20:18
○ 2026-03-29 11:20:20
○NSdns3.safenames.org2017-02-13 → 2017-05-05 · 5 obs
● 2017-02-13 10:27:28
● 2017-05-05 11:02:42
○ 2026-03-29 11:20:18
○ 2026-03-29 11:20:20
○NSns1.netnames.net2015-08-04 → 2016-05-04 · 4 obs
● 2016-05-04 12:32:26
○ 2017-02-13 10:27:28
○ 2026-03-29 11:20:20
○NSns2.netnames.net2015-08-04 → 2016-05-04 · 4 obs
● 2016-05-04 12:32:26
○ 2017-02-13 10:27:28
○ 2026-03-29 11:20:20
○NSns5.netnames.net2015-08-04 → 2016-05-04 · 4 obs
● 2016-05-04 12:32:26
○ 2017-02-13 10:27:28
○ 2026-03-29 11:20:20
○NSns6.netnames.net2015-08-04 → 2016-05-04 · 4 obs
● 2016-05-04 12:32:26
○ 2017-02-13 10:27:28
○ 2026-03-29 11:20:20
●MXmail-delivery.star.net.uk2015-08-04 → 2026-03-29 · 2 obs
● 2026-03-29 11:20:20
●MXservice73.mimecast.com2015-08-04 → 2026-03-29 · 2 obs
● 2026-03-29 11:20:20
●MXservice74.mimecast.com2015-08-04 → 2026-03-29 · 2 obs
● 2026-03-29 11:20:20
●A81.171.234.1512015-08-04 → 2026-03-29 · 2 obs
● 2026-03-29 11:20:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| grgu.com | dns11.safenames.com, dns12.safenames.net, dns13.safenames.org | 2 records |
✅ Authoritative Response
Server:172.64.48.251
NS records: dns11.safenames.com, dns12.safenames.net, dns13.safenames.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for grgu.com (unsigned zone)
⏱️ Timing
Total: 553ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.171.234.151 |
| NS | 3 | dns11.safenames.com, dns12.safenames.net... |
| MX | 3 | mail-delivery.star.net.uk (pri: 500), service74.mimecast.com (pri: 10)... |
| SOA | 1 | dns11.safenames.com hostmaster.safenames |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (dns11.safenames.com, dns11.safenames.com)
Analysis
Hierarchy
The parent of www.grgu.com is grgu.com.
IP Addresses
grgu.com points to a single IP: 81.171.234.151.
Other host names, for example www.grgu.com, grgoc.com, www.grgoc.com and fordsol.com share IP numbers with grgu.com.
Name Servers
grgu.com is delegated to three name servers: dns11.safenames.com, dns12.safenames.net and dns13.safenames.org.
grgu.com partially shares name servers with other domains; examples include promotertoolkit.com, betfairuk.biz, 104.33.89.in-addr.arpa, grgeventssuitcase.com and paddypowertips.com.
Host names with two IP numbers:
dns11.safenames.com points to 2400:cb00:2049:1::a29f:309f and 162.159.48.159.
dns12.safenames.net points to 2400:cb00:2049:1::a29f:31d0 and 162.159.49.208.
dns13.safenames.org points to 2400:cb00:2049:1::ac40:30fb and 172.64.48.251.
Mail Servers
grgu.com is handled by three mail servers: service73.mimecast.com, service74.mimecast.com and mail-delivery.star.net.uk.
grgu.com shares some mail servers with other domains, at least partially, such as btsmoothoperators.co.uk, gsbike4work.com, incentive-expert.org, grgmiddleeast.com and ingeus.nl.
These mail servers are often used with the mail servers cluster8a.eu.messagelabs.com.
Host names with a single IP:
mail-delivery.star.net.uk points to 10.200.4.205.