johansys.com - robtex.com
johansys.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 143.47.117.218🇺🇸 ORACLE-OCI-31898143.47.96.0/19 Oracle Corporation | ||||||
| NS | ns1.hover.com ⭐ | ||||||
| A | 2604:4000:0:d:216:40:47:26🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000 | ||||||
| PTR | ns1.hover.com | ||||||
| A | 216.40.47.26🇨🇦 TUCOWS216.40.47.0/24 -BRA-BLK1.4/NET-216-40-47-0 | ||||||
| PTR | ns1.hover.com | ||||||
| NS | ns2.hover.com | ||||||
| A | 2604:4000:2800:d:64:99:148:13🇨🇦 TUCOWS-32604:4000:2800::/37 Tucows.com Co. | ||||||
| PTR | ns2.hover.com | ||||||
| A | 64.98.148.13🇨🇦 TUCOWS-364.98.144.0/20 Tucows.com Co. | ||||||
| PTR | ns2.hover.com | ||||||
| MX | mx.hover.com.cust.hostedemail.com ⭐ | ||||||
| A | 216.40.42.4🇨🇦 TUCOWS216.40.32.0/20 Tucows International | ||||||
| PTR | mx.hostedemail.com | ||||||
| SOA | ns1.hover.comdnsmaster@hover.com serial=1756919294 | ||||||
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=1771291435 | ||||||
Up
calibreweb.johansys.com |
Same first word
johansys.com |
Similar names
DNS History
6 records (4 active, 2 former)
●MXmx.hover.com.cust.hostedemail.com2015-06-27 → 2026-02-27 · 2 obs
● 2026-02-27 15:41:34
●A143.47.117.2182026-02-27 → 2026-02-27 · 3 obs
● 2026-02-27 15:41:30
● 2026-02-27 15:41:34
○A64.98.145.302016-11-29 → 2017-09-10 · 5 obs
● 2016-11-29 02:20:54
● 2017-09-10 22:32:44
○ 2026-02-27 15:41:30
○ 2026-02-27 15:41:34
○A64.99.80.302015-06-27 → 2016-04-17 · 4 obs
● 2016-04-17 00:30:30
○ 2016-11-29 02:20:54
○ 2026-02-27 15:41:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net... | - |
| johansys.com | ns1.hover.com, ns2.hover.com | 4 records |
✅ Authoritative Response
Server: 216.40.47.26
NS records: ns1.hover.com, ns2.hover.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for johansys.com (unsigned zone)
⏱️ Timing
Total: 224ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 143.47.117.218 |
| NS | 2 | ns2.hover.com, ns1.hover.com |
| MX | 1 | mx.hover.com.cust.hostedemail.com (pri: |
| SOA | 1 | ns1.hover.com dnsmaster.hover.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.hover.com, ns1.hover.com, ns2.hover.com...)
AI analysis
johansys.com is the parent of calibreweb.johansys.com.
johansys.com points to IP number 143.47.117.218.
johansys.com is delegated to two name servers: ns1.hover.com and ns2.hover.com.
johansys.com uses the same name server setup as other domains such as bereadytoclose.com, superpixel.net, repubonline.com, network-box.co.uk and grundy.pro.
Host names with two IP numbers:
ns1.hover.com points to 2604:4000:0:d:216:40:47:26 and 216.40.47.26; ns2.hover.com points to 2604:4000:2800:d:64:99:148:13 and 64.98.148.13.
johansys.com is handled by a single mail server, mx.hover.com.cust.hostedemail.com.
johansys.com shares the same mail server setup as other domains, for instance jamirayvintage.com, resolutionseries.org, remotetestlab.com, enikob.com and zatcom.ca.
johansys.com shares some mail servers with other domains to some extent, for instance nuclearferrets.com and cybernumerology.com.
these mail servers are often used together with mail servers aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.
mx.hover.com.cust.hostedemail.com points to a single IP: 216.40.42.4.