mail.k12.us.com - robtex.com
mail.k12.us.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.224.212.203🇦🇺 TRELLIAN-AS-AP103.224.212.0/23 Trellian Pty. Limited 8 East Concourse | ||||||
| PTR | lb-212-203.above.com | ||||||
| NS | ns1.abovedomains.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 103.224.182.9🇦🇺 TRELLIAN-AS-AP103.224.182.0/23 Trellian Pty. Limited 8 East Concourse | ||||||
| PTR | ns1.above.com | ||||||
| A | 103.224.182.77🇦🇺 TRELLIAN-AS-AP103.224.182.0/23 Trellian Pty. Limited 8 East Concourse | ||||||
| PTR | ns1.above.com | ||||||
| A | 103.224.182.85🇦🇺 TRELLIAN-AS-AP103.224.182.0/23 Trellian Pty. Limited 8 East Concourse | ||||||
| PTR | ns1.above.com | ||||||
| A | 103.224.212.9🇦🇺 TRELLIAN-AS-AP103.224.212.0/23 Trellian Pty. Limited 8 East Concourse | ||||||
| PTR | ns1.above.com | ||||||
| NS | ns2.abovedomains.com ⚠️ Not in parent delegation | ||||||
| A | 103.224.182.10🇦🇺 TRELLIAN-AS-AP103.224.182.0/23 Trellian Pty. Limited 8 East Concourse | ||||||
| PTR | ns2.above.com | ||||||
| A | 103.224.212.10🇦🇺 TRELLIAN-AS-AP103.224.212.0/23 Trellian Pty. Limited 8 East Concourse | ||||||
| PTR | ns2.above.com | ||||||
| A | 103.224.212.51🇦🇺 TRELLIAN-AS-AP103.224.212.0/23 Trellian Pty. Limited 8 East Concourse | ||||||
| PTR | ns2.above.com | ||||||
| A | 103.224.212.53🇦🇺 TRELLIAN-AS-AP103.224.212.0/23 Trellian Pty. Limited 8 East Concourse | ||||||
| PTR | ns2.above.com | ||||||
| MX | park-mx.above.com ⭐ | ||||||
| A | 103.224.212.34🇦🇺 TRELLIAN-AS-AP103.224.212.0/23 Trellian Pty. Limited 8 East Concourse | ||||||
| PTR | park-mx.above.com | ||||||
| TXT | 0ad094978b47130a6a809a0396525cae21191ed6 | ||||||
| TXT | v=spf1 ip6:fdcf:abda:4154::/48 -all | ||||||
| SOA | ns1.abovedomains.comhostmaster@trellian.com 2026-06-26 #1 | ||||||
k12.us.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.224.182.245🇦🇺 TRELLIAN-AS-AP103.224.182.0/23 Trellian Pty. Limited 8 East Concourse | ||||||
| NS | ns1.abovedomains.com ⭐ ⚠️ Not in parent delegation | ||||||
| NS | ns1.above.com ⚠️ Not in zone NS records | ||||||
| NS | ns2.above.com ⚠️ Not in zone NS records | ||||||
| NS | ns2.abovedomains.com ⚠️ Not in parent delegation | ||||||
| MX | park-mx.above.com ⭐ | ||||||
| TXT | v=spf1 ip6:fdcf:abda:4154::/48 -all | ||||||
| SOA | ns1.abovedomains.comhostmaster@trellian.com 2026-07-20 #1 | ||||||
Same first word
Similar names
DNS History
10 records (4 active, 6 former)
○NSns1.above.com2017-03-10 → 2017-03-10 · 3 obs
○ 2026-06-25 14:26:12
○ 2026-07-19 19:58:04
●NSns1.abovedomains.com2026-06-25 → 2026-07-19 · 3 obs
● 2026-06-25 14:26:12
● 2026-07-19 19:58:04
○NSns2.above.com2017-03-10 → 2017-03-10 · 3 obs
○ 2026-06-25 14:26:12
○ 2026-07-19 19:58:04
●NSns2.abovedomains.com2026-06-25 → 2026-07-19 · 3 obs
● 2026-06-25 14:26:12
● 2026-07-19 19:58:04
○MXmx92.m1bp.com2017-03-10 → 2017-03-10 · 3 obs
○ 2026-06-25 14:26:12
○ 2026-07-19 19:58:04
○MXmx92.mb5p.com2017-03-10 → 2017-03-10 · 3 obs
○ 2026-06-25 14:26:12
○ 2026-07-19 19:58:04
●MXpark-mx.above.com2026-06-25 → 2026-07-19 · 3 obs
● 2026-06-25 14:26:12
● 2026-07-19 19:58:04
○A103.224.182.2452017-03-10 → 2017-03-10 · 4 obs
● 2017-03-10 08:18:18
○ 2026-06-25 14:26:12
○ 2026-07-19 19:58:04
●A103.224.212.2032026-06-25 → 2026-07-19 · 3 obs
● 2026-06-25 14:26:12
● 2026-07-19 19:58:04
○A77.95.250.102013-08-31 → 2013-08-31 · 3 obs
○ 2017-03-10 08:18:18
○ 2026-07-19 19:58:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us.com | ns1.centralnic.net, ns2.centralnic.net, ns3.centralnic.net, ns4.centralnic.net | - |
| k12.us.com | ns1.above.com, ns2.above.com | - |
✅ Authoritative Response
Server:103.224.212.53
NS records: ns1.above.com, ns2.above.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for us.com (unsigned zone)
⏱️ Timing
Total: 4909ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.224.182.245 |
| NS | 2 | ns1.abovedomains.com, ns2.abovedomains.com |
| MX | 1 | park-mx.above.com (pri: 10) |
| TXT | 1 | v=spf1 ip6:fdcf:abda:4154::/48 -all |
| SOA | 1 | ns1.abovedomains.com hostmaster.trellian |
Analysis
IP Addresses
mail.k12.us.com directs to one IP number, which is 103.224.212.203.
Among the host names that share IP numbers with mail.k12.us.com are purchasecoverage.com, standardticket.com, sitemap.openairdemo.com and two others.
Name Servers
Two name servers handle the delegation for mail.k12.us.com: ns1.abovedomains.com and ns2.abovedomains.com.
mail.k12.us.com has the same name server delegation as a number of other domains, such as pethub.com.au, _dc-mx.36e3a7d57c39.ferraricars.org, www.fd11c6c3dcca7c56.com and two more.
mail.k12.us.com partially shares its NS delegation with several other domains, including ao1-squads.com, shutterstok.com, sensorverti.com and two others.
In DNS configurations, these name servers often share authority with 5014.ns1.abovedomains.com, 5014.ns2.abovedomains.com, ns15.abovedomains.com and 7 other name servers.
Both ns1.abovedomains.com and ns2.abovedomains.com resolve to four IP addresses: ns1.abovedomains.com directs to 103.224.182.9, 103.224.182.77, 103.224.182.85 and 103.224.212.9, and ns2.abovedomains.com directs to 103.224.182.10, 103.224.212.10, 103.224.212.51 and 103.224.212.53.
Mail Servers
mail.k12.us.com routes its mail through a single mail server, park-mx.above.com.
mail.k12.us.com has the same mail server arrangement as a number of other domains, for example 2une.net, wx1o1.click, ns3105785.forevertastenyc.com and two more.
park-mx.above.com carries a single IP number, which is 103.224.212.34.