siscommunications.com - robtex.com
siscommunications.com
| DNSSEC | โ ๏ธ Not signed | ||||||
| NS | ns1.markmonitor.com โญ | ||||||
| A | 2620:10a:80a8::1๐จ๐ฆ CIRA-22620:10a:80a8::/48 markmonitor v6 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada | ||||||
| A | 149.112.160.1๐จ๐ฆ CIRA-2149.112.160.0/24 markmonitor v4 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada | ||||||
| NS | ns2.markmonitor.com | ||||||
| A | 2001:67c:10b8::1๐จ๐ญ RCODEZERO-ANYCAST-SEC22001:67c:10b8::/48 IPCOM-anycast-net | ||||||
| PTR | ns2.markmonitor.com | ||||||
| A | 176.97.158.1๐ฆ๐น RCODEZERO-ANYCAST-SEC2176.97.158.0/24 NICat-anycast-net | ||||||
| PTR | ns2.markmonitor.com | ||||||
| NS | ns3.markmonitor.com | ||||||
| A | 2620:10a:80a9::1๐จ๐ฆ CIRA-32620:10a:80a9::/48 markmonitor v6 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada | ||||||
| A | 149.112.161.1๐จ๐ฆ CIRA-3149.112.161.0/24 markmonitor v4 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada | ||||||
| NS | ns4.markmonitor.com | ||||||
| A | 2001:67c:1bc::1๐ฆ๐น RCODEZERO-ANYCAST-SEC1-TLD2001:67c:1bc::/48 IPCom-NET Anycast | ||||||
| PTR | ns1.markmonitor.com | ||||||
| A | 192.174.68.1๐ฆ๐น RCODEZERO-ANYCAST-SEC1-TLD192.174.68.0/24 NICat-anycast-net | ||||||
| PTR | ns1.markmonitor.com | ||||||
| SOA | ns1.markmonitor.comhostmaster@markmonitor.com 2025-10-17 #1 | ||||||
com
| DNSSEC | ๐ Signed (DS record present) | ||||||
| NS | a.gtld-servers.net โญ | ||||||
| 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=1776238912 | ||||||
Same first word
siscommunications.com |
DNS History
5 records (4 active, 1 former)
โNSns1.markmonitor.com2026-02-15 โ 2026-04-15 ยท 2 obs
โ 2026-04-15 07:52:44
โNSns2.markmonitor.com2026-02-15 โ 2026-04-15 ยท 2 obs
โ 2026-04-15 07:52:44
โNSns3.markmonitor.com2026-02-15 โ 2026-04-15 ยท 2 obs
โ 2026-04-15 07:52:44
โNSns4.markmonitor.com2026-02-15 โ 2026-04-15 ยท 2 obs
โ 2026-04-15 07:52:44
โA208.91.197.262015-05-24 โ 2026-02-15 ยท 4 obs
โ 2026-02-15 19:48:24
โ 2026-02-17 09:37:36
โ 2026-04-15 07:52:44
๐ DNS Trace
๐ Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| siscommunications.com | ns1.markmonitor.com, ns3.markmonitor.com, ns4.markmonitor.com, ns2.markmonitor.com | 8 records |
โ Authoritative Response
Server:176.97.158.1
NS records: ns1.markmonitor.com, ns3.markmonitor.com, ns4.markmonitor.com, ns2.markmonitor.com
๐ DNSSEC Status
โ ๏ธ Insecure (no DNSSEC)
No DS record for siscommunications.com (unsigned zone)
โฑ๏ธ Timing
Total: 162ms | Queries: -
๐ Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns1.markmonitor.com, ns2.markmonitor.com... |
| SOA | 1 | ns1.markmonitor.com hostmaster.markmonit |
๐ Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns1.markmonitor.com, ns1.markmonitor.com, ns3.markmonitor.com...)
Analysis
Name Servers
siscommunications.com is delegated to four name servers: ns1.markmonitor.com, ns2.markmonitor.com, ns3.markmonitor.com and ns4.markmonitor.com.
siscommunications.com shares some name servers with other domains, for example reebokkidz.com, levintv.com, iqcvs.org, etexgroup.at and pricelive.com.
These name servers are commonly paired with ns5.markmonitor.com, ns6.markmonitor.com, ns7.markmonitor.com, ha1.markmonitor.zone, ha2.markmonitor.zone, ha3.markmonitor.zone and ha4.markmonitor.zone.
Host names with two IP numbers
Two IPs per host:
ns1.markmonitor.com points to 2620:10a:80a8::1 and 149.112.160.1
ns2.markmonitor.com points to 2001:67c:10b8::1 and 176.97.158.1
ns3.markmonitor.com points to 2620:10a:80a9::1 and 149.112.161.1
ns4.markmonitor.com points to 2001:67c:1bc::1 and 192.174.68.1