grocredit.com - robtex.com
grocredit.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.91.85.211🇨🇿 WEB4U81.91.80.0/21 | ||||||
| PTR | m137.server4u.cz | ||||||
| NS | ns2.web4u.cz ⭐ | ||||||
| A | 2a02:a40:100:28ff::12🇨🇿 BlueTone-AS2a02:a40::/32 Ceske Radiokomunikace, a.s. | ||||||
| PTR | ns2.web4u.cz | ||||||
| A | 85.207.53.12🇨🇿 BlueTone-AS85.207.0.0/16 BlueTone-CRa-CZ Fourth address block | ||||||
| PTR | ns2.web4u.cz | ||||||
| NS | ns.web4u.cz | ||||||
| A | 2001:1568:fd::241🇨🇿 WEB4U2001:1568::/33 | ||||||
| PTR | ns.web4u.cz | ||||||
| A | 185.14.224.241🇨🇿 WEB4U185.14.224.0/23 | ||||||
| PTR | ns.web4u.cz | ||||||
| MX | mail.grocredit.com ⭐ | ||||||
| A | 81.91.85.211🇨🇿 WEB4U81.91.80.0/21 | ||||||
| PTR | m137.server4u.cz | ||||||
| SOA | ns.web4u.czadmin@web4u.cz 2021-01-10 #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.netnstld@verisign-grs.com serial=1775940827 | ||||||
Subdomains
mail.grocredit.com |
Same first word
grocredit.com |
Similar names
DNS History
9 records (4 active, 5 former)
●NSns.web4u.cz2026-02-16 → 2026-04-11 · 3 obs
● 2026-02-16 02:35:02
● 2026-04-11 21:09:16
○NSns1.ignum.com2015-06-01 → 2017-04-24 · 4 obs
● 2017-04-24 15:04:48
○ 2026-02-16 02:35:02
○ 2026-04-11 21:09:16
○NSns2.ignum.cz2015-06-01 → 2017-04-24 · 4 obs
● 2017-04-24 15:04:48
○ 2026-02-16 02:35:02
○ 2026-04-11 21:09:16
●NSns2.web4u.cz2026-02-16 → 2026-04-11 · 3 obs
● 2026-02-16 02:35:02
● 2026-04-11 21:09:16
●MXmail.grocredit.com2026-02-16 → 2026-04-11 · 3 obs
● 2026-02-16 02:35:02
● 2026-04-11 21:09:16
○MXmail2.ignum.cz2015-06-01 → 2017-04-24 · 4 obs
● 2017-04-24 15:04:48
○ 2026-02-16 02:35:02
○ 2026-04-11 21:09:16
○MXmail5.ignum.cz2015-06-01 → 2017-04-24 · 4 obs
● 2017-04-24 15:04:48
○ 2026-02-16 02:35:02
○ 2026-04-11 21:09:16
○A217.31.49.202015-06-01 → 2017-04-24 · 4 obs
● 2017-04-24 15:04:48
○ 2026-02-16 02:35:02
○ 2026-04-11 21:09:16
●A81.91.85.2112026-02-16 → 2026-04-11 · 3 obs
● 2026-02-16 02:35:02
● 2026-04-11 21:09:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| grocredit.com | ns.web4u.cz, ns2.web4u.cz | - |
✅ Authoritative Response
Server:185.14.224.241
NS records: ns.web4u.cz, ns2.web4u.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for grocredit.com (unsigned zone)
⏱️ Timing
Total: 764ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.91.85.211 |
| NS | 2 | ns.web4u.cz, ns2.web4u.cz |
| MX | 1 | mail.grocredit.com (pri: 10) |
| SOA | 1 | ns.web4u.cz admin.web4u.cz |
Analysis
Hierarchy
grocredit.com is a parent of mail.grocredit.com.
IP Addresses
grocredit.com points to a single IP number: 81.91.85.211.
Other host names, for instance czp-msk.cz, mail.jananas.cz, m137.server4u.cz, mail.hotel-opava.cz and hgo.cz share IP numbers with grocredit.com.
Name Servers
Delegation for grocredit.com rests with two name servers, ns2.web4u.cz and ns.web4u.cz.
grocredit.com shares the same name server setup as other domains, including hexik.cz, tonikovo.cz, clotrans.cz, incra.cz and aica.pl.
Host names with two IP numbers: ns2.web4u.cz points to 2a02:a40:100:28ff::12 and 85.207.53.12; ns.web4u.cz points to 2001:1568:fd::241 and 185.14.224.241.
Mail Servers
grocredit.com is handled by a single mail server, mail.grocredit.com.
mail.grocredit.com points to a single IP: 81.91.85.211.