sqlserver.science - robtex.com
sqlserver.science
| DNSSEC | ⚠️ Not signed | ||||||
| A | 24.109.211.58🇨🇦 ASN-SHAW24.109.0.0/16 (scripted block addition) Shaw Communications Inc. | ||||||
| PTR | mx02.mvct.com | ||||||
| NS | dns2.mvct.com ⭐ | ||||||
| A | 24.109.211.58🇨🇦 ASN-SHAW24.109.0.0/16 (scripted block addition) Shaw Communications Inc. | ||||||
| PTR | mx02.mvct.com | ||||||
| NS | dns1.mvct.com | ||||||
| A | 24.109.211.59🇨🇦 ASN-SHAW24.109.0.0/16 (scripted block addition) Shaw Communications Inc. | ||||||
| PTR | mail.mvct.com | ||||||
| NS | ns1.he.net | ||||||
| A | 2001:470:100::2🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| PTR | ns1.he.net | ||||||
| A | 216.218.130.2🇺🇸 HURRICANE216.218.128.0/17 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| PTR | ns1.he.net | ||||||
| NS | ns2.he.net | ||||||
| A | 2001:470:200::2🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| PTR | ns2.he.net | ||||||
| A | 216.218.131.2🇺🇸 HURRICANE216.218.128.0/17 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| PTR | ns2.he.net | ||||||
| NS | ns3.he.net | ||||||
| A | 2001:470:300::2🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| PTR | ns3.he.net | ||||||
| A | 216.218.132.2🇺🇸 HURRICANE216.218.128.0/17 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| PTR | ns3.he.net | ||||||
| NS | ns4.he.net | ||||||
| A | 2001:470:400::2🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| PTR | ns4.he.net | ||||||
| A | 216.66.1.2🇺🇸 HURRICANE216.66.0.0/19 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| PTR | ns4.he.net | ||||||
| NS | ns5.he.net | ||||||
| A | 2001:470:500::2🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| PTR | ns5.he.net | ||||||
| A | 216.66.80.18🇺🇸 HURRICANE216.66.80.0/20 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| PTR | ns5.he.net | ||||||
| MX | mail.mvct.com ⭐ | ||||||
| A | 24.109.211.59🇨🇦 ASN-SHAW24.109.0.0/16 (scripted block addition) Shaw Communications Inc. | ||||||
| PTR | mail.mvct.com | ||||||
| TXT | v=spf1 mx include:servers.mcsv.net ip4:64.59.128.220 -all | ||||||
| SOA | dns2.mvct.comhostmaster@mvct.com 2015-02-29 #68 | ||||||
science
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns1.dns.nic.science ⭐ | ||||||
| NS | a.nic.science | ||||||
| NS | b.nic.science | ||||||
| NS | c.nic.science | ||||||
| NS | ns2.dns.nic.science | ||||||
| NS | ns3.dns.nic.science | ||||||
| SOA | ns1.dns.nic.scienceadmin@tldns.godaddy serial=1778352664 | ||||||
Subdomains
www.sqlserver.science |
Same first word
Similar names
DNS History
11 records (9 active, 2 former)
○NSmvctdns02.mvct.com2018-05-12 → 2018-05-12 · 3 obs
○ 2026-03-05 18:24:06
○ 2026-05-09 20:07:32
●NSns1.he.net2026-03-05 → 2026-05-09 · 3 obs
● 2026-03-05 18:24:06
● 2026-05-09 20:07:32
●NSns2.he.net2026-03-05 → 2026-05-09 · 3 obs
● 2026-03-05 18:24:06
● 2026-05-09 20:07:32
●NSns3.he.net2026-03-05 → 2026-05-09 · 3 obs
● 2026-03-05 18:24:06
● 2026-05-09 20:07:32
●NSns4.he.net2026-03-05 → 2026-05-09 · 3 obs
● 2026-03-05 18:24:06
● 2026-05-09 20:07:32
●NSns5.he.net2026-03-05 → 2026-05-09 · 3 obs
● 2026-03-05 18:24:06
● 2026-05-09 20:07:32
○A184.70.33.1902018-05-12 → 2018-05-12 · 3 obs
○ 2026-03-05 18:24:06
○ 2026-05-09 20:07:32
●A24.109.211.582026-03-05 → 2026-05-09 · 3 obs
● 2026-03-05 18:24:06
● 2026-05-09 20:07:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| science | a.nic.science, b.nic.science, c.nic.science, ns1.dns.nic.science... | 12 records |
| sqlserver.science | ns5.he.net, dns2.mvct.com, ns4.he.net, ns1.he.net... | - |
✅ Authoritative Response
Server:216.66.1.2
NS records: ns5.he.net, dns2.mvct.com, ns4.he.net, ns1.he.net, ns2.he.net, ns3.he.net, dns1.mvct.com
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at sqlserver.science: Error: DNS query timeout: 24.109.211.59 for DNSKEY sqlserver.science
⏱️ Timing
Total: 3825ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 24.109.211.58 |
| NS | 7 | ns1.he.net, ns5.he.net... |
| MX | 1 | mail.mvct.com (pri: 10) |
| TXT | 1 | v=spf1 mx include:servers.mcsv.net ip4:6 |
| SOA | 1 | dns2.mvct.com hostmaster.mvct.com |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (a.nic.science, b.nic.science, c.nic.science...)
Analysis
Hierarchy
The parent of www.sqlserver.science is sqlserver.science.
IP Addresses
sqlserver.science points to a single IP address: 24.109.211.58.
Other host names such as hannahvernon.com, dns2.mvct.com, mvct.ca, sqlserverscience.com and mx02.mvct.com share IPs with sqlserver.science.
Name Servers
sqlserver.science's zone is delegated to seven name servers: dns1.mvct.com, dns2.mvct.com, ns1.he.net, ns2.he.net, ns3.he.net, ns4.he.net and ns5.he.net.
sqlserver.science at least partially shares name servers with other domains, for example grilli.net, 233.62.64.in-addr.arpa, pway.com, selectpost.com and reise.click.
Host names with two IPs:
ns1.he.net points to 2001:470:100::2 and 216.218.130.2.
ns2.he.net points to 2001:470:200::2 and 216.218.131.2.
ns3.he.net points to 2001:470:300::2 and 216.218.132.2.
ns4.he.net points to 2001:470:400::2 and 216.66.1.2.
ns5.he.net points to 2001:470:500::2 and 216.66.80.18.
Host names with one IP:
dns1.mvct.com points to 24.109.211.59.
dns2.mvct.com points to 24.109.211.58.
Mail Servers
The mail.mvct.com mail server handles sqlserver.science.
The mail server setup for sqlserver.science is the same as that of other domains, for instance sqlserverscience.com.
sqlserver.science shares at least some mail servers with other domains, for instance mvct.ca, mvct.com and hannahvernon.com.
mail.mvct.com points to a single IP number: 24.109.211.59.