`nnc.mil`

DNSSEC	🔒 Signed (DS record present)
NS	`dns1.nipr.mil` ⭐
		A	2608:140:c:157::235^{🇺🇸 AS59272608:140:c::/48}
			PTR	`dns1.nipr.mil`
		A	199.252.157.235^{🇺🇸 AS721199.252.157.0/24}
			PTR	`dns1.nipr.mil`
NS	`dns2.nipr.mil`
		A	2608:120:c:162::243^{🇺🇸 AS59272608:120:c::/48}
			PTR	`dns2.nipr.mil`
		A	199.252.162.243^{🇺🇸 AS721199.252.162.0/24}
			PTR	`dns2.nipr.mil`
NS	`dns3.nipr.mil`
		A	2608:4122:2:154::243^{🇺🇸 AS59272608:4122:2::/48}
			PTR	`dns3.nipr.mil`
		A	199.252.154.243^{🇺🇸 AS721199.252.154.0/24}
			PTR	`dns3.nipr.mil`
NS	`dns4.nipr.mil`
		A	2608:4163:1:143::243^{🇺🇸 AS59272608:4163:1::/48}
			PTR	`dns4.nipr.mil`
		A	199.252.143.243^{🇺🇸 AS721199.252.143.0/24}
			PTR	`dns4.nipr.mil`
NS	`dns5.nipr.mil`
		A	2608:c184:1:180::243^{🇺🇸 AS59272608:c184:1::/48}
		A	199.252.180.243^{🇺🇸 AS721199.252.180.0/24}
			PTR	`dns5.nipr.mil`
NS	`dns6.nipr.mil`
		A	2608:c144:1:155::243^{🇺🇸 AS59272608:c144:1::/48}
		A	199.252.155.243^{🇺🇸 AS721199.252.155.0/24}
			PTR	`dns6.nipr.mil`
TXT	`v=spf1 include:_spf.eemsg.mail.mil -all`
SOA	`dns1.nipr.mil`hostmaster@nic@mil serial=198

`mil`

	DNSSEC	🔒 Signed (DS record present)
	NS	`con1.nipr.mil` ⭐
	NS	`con2.nipr.mil`
	NS	`eur1.nipr.mil`
	NS	`eur2.nipr.mil`
	NS	`pac1.nipr.mil`
	NS	`pac2.nipr.mil`
	SOA	`CON1.NIPR.MIL`DISA\@COLUMBUS\.NS\.MBX\.HOSTMASTER-DOD-NIC.MAIL.MIL 2026-06-23 #2

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DNS History

6 records (6 active, 0 former)

●NSdns1.nipr.mil2026-06-17 → 2026-06-23 · 2 obs

● 2026-06-17 11:49:24
● 2026-06-23 17:57:50

●NSdns2.nipr.mil2026-06-17 → 2026-06-23 · 2 obs

● 2026-06-17 11:49:24
● 2026-06-23 17:57:50

●NSdns3.nipr.mil2026-06-17 → 2026-06-23 · 2 obs

● 2026-06-17 11:49:24
● 2026-06-23 17:57:50

●NSdns4.nipr.mil2026-06-17 → 2026-06-23 · 2 obs

● 2026-06-17 11:49:24
● 2026-06-23 17:57:50

●NSdns5.nipr.mil2026-06-17 → 2026-06-23 · 2 obs

● 2026-06-17 11:49:24
● 2026-06-23 17:57:50

●NSdns6.nipr.mil2026-06-17 → 2026-06-23 · 2 obs

● 2026-06-17 11:49:24
● 2026-06-23 17:57:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
mil	con1.nipr.mil, con2.nipr.mil, eur1.nipr.mil, eur2.nipr.mil...	12 records
nnc.mil	dns6.nipr.mil, dns4.nipr.mil, dns2.nipr.mil, dns1.nipr.mil...	12 records

✅ Authoritative Response

Server:199.252.180.243

NS records: dns6.nipr.mil, dns4.nipr.mil, dns2.nipr.mil, dns1.nipr.mil, dns3.nipr.mil, dns5.nipr.mil

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 2775ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	6	`dns6.nipr.mil, dns4.nipr.mil...`
TXT	1	`v=spf1 include:_spf.eemsg.mail.mil -all`
SOA	1	`dns1.nipr.mil hostmaster@nic.mil`

📌 Glue Records Collected

Total: 24

In-bailiwick: 12 (con1.nipr.mil, con2.nipr.mil, eur1.nipr.mil...)

Out-of-bailiwick: 12 (dns6.nipr.mil, dns5.nipr.mil, dns4.nipr.mil...)

Analysis

Name Servers

nnc.mil has 6 name servers — dns1.nipr.mil, dns2.nipr.mil, dns3.nipr.mil and 3 others.

nnc.mil shares at least some of its name servers with other domains, including 240.163.in-addr.arpa, 51.22.209.in-addr.arpa, mos.mil and two others.

These name servers are frequently paired with the name servers dns4.nipr.mil, dns5.nipr.mil and dns6.nipr.mil.

Host names with two IP numbers:

dns1.nipr.mil resolves to 199.252.157.235 and 2608:140:c:157::235.

dns2.nipr.mil resolves to 199.252.162.243 and 2608:120:c:162::243.

dns3.nipr.mil resolves to 199.252.154.243 and 2608:4122:2:154::243.

dns4.nipr.mil resolves to 199.252.143.243 and 2608:4163:1:143::243.

dns5.nipr.mil resolves to 199.252.180.243 and 2608:c184:1:180::243.

dns6.nipr.mil resolves to 199.252.155.243 and 2608:c144:1:155::243.