`mailproxy2.k12us.com`

DNSSEC	⚠️ Not signed
A	96.225.31.43^{🇺🇸 AS70196.225.0.0/17 MCI Communications Services, LLC d/b/a Verizon Business}
		PTR	`static-96-225-31-43.nwrknj.fios.verizon.net`
MX	`mx1.k12us.com` ⭐
		A	96.225.31.38^{🇺🇸 AS70196.225.0.0/17 MCI Communications Services, LLC d/b/a Verizon Business}
			PTR	`mailproxy.k12us.com`
MX	`mx2.k12us.com` ⭐
		A	96.225.31.13^{🇺🇸 AS70196.225.0.0/17 MCI Communications Services, LLC d/b/a Verizon Business}
			PTR	`static-96-225-31-13.nwrknj.fios.verizon.net`
MX	`mx3.k12us.com`⁽¹⁵⁾
		A	96.225.31.14^{🇺🇸 AS70196.225.0.0/17 MCI Communications Services, LLC d/b/a Verizon Business}
			PTR	`static-96-225-31-14.nwrknj.fios.verizon.net`
MX	`mx4.k12us.com`⁽¹⁵⁾
		A	96.225.31.38^{🇺🇸 AS70196.225.0.0/17 MCI Communications Services, LLC d/b/a Verizon Business}
			PTR	`mailproxy.k12us.com`
TXT	`v=spf1 mx include:_spf.k12us.com ~all`

`k12us.com`

	DNSSEC	⚠️ Not signed
	A	96.225.31.41^{🇺🇸 AS70196.225.0.0/17 MCI Communications Services, LLC d/b/a Verizon Business}
	NS	`ns3.k12hq.com` ⭐
	NS	`ns4.k12hq.com`
	MX	`spamtrakker.networksandmore.com` ⭐
	TXT	`v=spf1 mx include:_spf.k12us.com ~all`
	SOA	`ns3.k12hq.com`hostmaster@k12us.com serial=1774581287

📈 Tranco rank: #478,429

DNS History

8 records (5 active, 3 former)

●MXmx1.k12us.com2017-06-27 → 2026-03-27 · 2 obs

● 2017-06-27 14:59:32
● 2026-03-27 05:28:06

●MXmx2.k12us.com2017-06-27 → 2026-03-27 · 2 obs

● 2017-06-27 14:59:32
● 2026-03-27 05:28:06

●MXmx3.k12us.com2017-06-27 → 2026-03-27 · 2 obs

● 2017-06-27 14:59:32
● 2026-03-27 05:28:06

●MXmx4.k12us.com2017-06-27 → 2026-03-27 · 2 obs

● 2017-06-27 14:59:32
● 2026-03-27 05:28:06

○MXrongo.k12us.com2017-06-27 → 2017-08-21 · 4 obs

● 2017-06-27 14:59:32
● 2017-08-21 06:00:30
○ 2026-03-27 05:28:04
○ 2026-03-27 05:28:06

○A8.36.79.472015-05-30 → 2015-05-30 · 3 obs

● 2015-05-30 15:26:02
○ 2015-10-26 10:03:30
○ 2026-03-27 05:28:06

○A8.36.79.882015-10-26 → 2016-12-24 · 5 obs

○ 2015-05-30 15:26:02
● 2015-10-26 10:03:30
● 2016-12-24 15:10:58
○ 2017-06-27 14:59:32
○ 2026-03-27 05:28:06

●A96.225.31.432017-06-27 → 2026-03-27 · 3 obs

○ 2016-12-24 15:10:58
● 2017-06-27 14:59:32
● 2026-03-27 05:28:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, c.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net...	-
k12us.com	ns3.k12hq.com, ns4.k12hq.com	2 records

✅ Authoritative Response

Server:96.225.31.35

NS records: ns3.k12hq.com, ns4.k12hq.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for k12us.com (unsigned zone)

⏱️ Timing

Total: 109ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`96.225.31.43`
MX	4	`mx1.k12us.com (pri: 5), mx2.k12us.com (pri: 5)...`
TXT	1	`v=spf1 mx include:_spf.k12us.com ~all`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns3.k12hq.com, ns4.k12hq.com)

Analysis

IP Addresses

mailproxy2.k12us.com maps to IP address 96.225.31.43.

Other host names, for instance electra.k12us.com, mailproxy3.k12us.com, hostmaster.k12us.com, b.ns.pundyspub.com and sardonyx.k12us.com share IP numbers with mailproxy2.k12us.com.

Mail Servers

mailproxy2.k12us.com is handled by four mail servers: mx1.k12us.com, mx2.k12us.com, mx3.k12us.com and mx4.k12us.com.

mailproxy2.k12us.com shares mail servers with other domains at least in part, for instance butsu.k12us.com, millertime2.com, lbisaintfrancis.org, il.k12us.com and jsars.net.

Host names with a single IP

mx1.k12us.com points to 96.225.31.38.

mx2.k12us.com points to 96.225.31.13.

mx3.k12us.com points to 96.225.31.14.

mx4.k12us.com points to 96.225.31.38.

Names that point to 96.225.31.38: mx1.k12us.com and mx4.k12us.com.

mailproxy2.k12us.com - robtex.com