systemsimmunity.org - dns.ninja

`systemsimmunity.org`

DNSSEC	⚠️ Not signed
A	146.79.203.110^{🇺🇸 CHRMC146.79.203.0/24}
NS	`pdns74.ultradns.com` ⭐
		A	2001:502:f3ff::6e^{🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar}
			PTR	`pdns74.ultradns.com`
		A	156.154.64.74^{🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar}
			PTR	`pdns74.ultradns.com`
NS	`pdns74.ultradns.biz`
		A	2610:a1:1015::6e^{🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar}
			PTR	`pdns74.ultradns.biz`
		A	156.154.66.74^{🇺🇸 MAINT-ID-12008156.154.66.0/24 Neustar}
			PTR	`pdns74.ultradns.biz`
NS	`pdns74.ultradns.net`
		A	2610:a1:1014::6e^{🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar}
			PTR	`pdns74.ultradns.net`
		A	156.154.65.74^{🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar}
			PTR	`pdns74.ultradns.net`
NS	`pdns74.ultradns.org`
		A	2001:502:4612::6e^{🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar}
			PTR	`pdns74.ultradns.org`
		A	156.154.67.74^{🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar}
			PTR	`pdns74.ultradns.org`
TXT	`v=spf1 -all`
TXT	`19fccd21-df4d-4798-a772-ea93a3e0afb8`
TXT	`_dmarc.pr-coin.org. 3530 IN TXT "v=DMARC1; p=none; fo=1; rua=mailto:dmarc_rua...`
SOA	`pdns74.ultradns.com`hostmaster@seattlechildrens.org 2017-05-30 #35

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1785502098

Same first word

systemsimmunity.org

Similar names

immunitysystems.com

DNS History

11 records (5 active, 6 former)

○NSns.sbri.org.systemsimmunity.org2015-06-07 → 2017-11-15 · 4 obs

● 2015-06-07 15:55:40
● 2017-11-15 02:14:34
○ 2026-02-23 13:23:30
○ 2026-07-31 13:43:48

○NSns5.dnsmadeeasy.com2015-06-07 → 2017-11-15 · 4 obs

● 2015-06-07 15:55:40
● 2017-11-15 02:14:34
○ 2026-02-23 13:23:30
○ 2026-07-31 13:43:48

○NSns6.dnsmadeeasy.com2015-06-07 → 2017-11-15 · 4 obs

● 2015-06-07 15:55:40
● 2017-11-15 02:14:34
○ 2026-02-23 13:23:30
○ 2026-07-31 13:43:48

○NSns7.dnsmadeeasy.com2015-06-07 → 2017-11-15 · 4 obs

● 2015-06-07 15:55:40
● 2017-11-15 02:14:34
○ 2026-02-23 13:23:30
○ 2026-07-31 13:43:48

●NSpdns74.ultradns.biz2026-02-23 → 2026-07-31 · 3 obs

○ 2017-11-15 02:14:34
● 2026-02-23 13:23:30
● 2026-07-31 13:43:48

●NSpdns74.ultradns.com2026-02-23 → 2026-07-31 · 3 obs

○ 2017-11-15 02:14:34
● 2026-02-23 13:23:30
● 2026-07-31 13:43:48

●NSpdns74.ultradns.net2026-02-23 → 2026-07-31 · 3 obs

○ 2017-11-15 02:14:34
● 2026-02-23 13:23:30
● 2026-07-31 13:43:48

●NSpdns74.ultradns.org2026-02-23 → 2026-07-31 · 3 obs

○ 2017-11-15 02:14:34
● 2026-02-23 13:23:30
● 2026-07-31 13:43:48

●A146.79.203.1102026-02-23 → 2026-07-31 · 3 obs

○ 2017-11-15 02:14:34
● 2026-02-23 13:23:30
● 2026-07-31 13:43:48

○A209.124.185.1102017-11-15 → 2017-11-15 · 4 obs

○ 2016-11-27 20:29:08
● 2017-11-15 02:14:34
○ 2026-02-23 13:23:30
○ 2026-07-31 13:43:48

○A209.124.185.862015-06-07 → 2016-11-27 · 4 obs

● 2015-06-07 15:55:40
● 2016-11-27 20:29:08
○ 2017-11-15 02:14:34
○ 2026-07-31 13:43:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
systemsimmunity.org	pdns74.ultradns.net, pdns74.ultradns.com, pdns74.ultradns.biz, pdns74.ultradns.org	2 records

✅ Authoritative Response

Server:156.154.65.74

NS records: pdns74.ultradns.net, pdns74.ultradns.com, pdns74.ultradns.biz, pdns74.ultradns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for systemsimmunity.org (unsigned zone)

⏱️ Timing

Total: 372ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`146.79.203.110`
NS	4	`pdns74.ultradns.biz, pdns74.ultradns.com...`
TXT	3	`v=spf1 -all, 19fccd21-df4d-4798-a772-ea93a3e0afb8...`
SOA	1	`pdns74.ultradns.com hostmaster.seattlech`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (pdns74.ultradns.org, pdns74.ultradns.org)

Analysis

IP Addresses

systemsimmunity.org has exactly one IP address — 146.79.203.110.

www.pediatriclearningnetwork.com, pediatriclearningnetwork.com, giveto.seattlechildrens.org plus two other host names have IP numbers in common with systemsimmunity.org.

Name Servers

Four name servers handle the delegation for systemsimmunity.org: pdns74.ultradns.biz, pdns74.ultradns.com, pdns74.ultradns.net and pdns74.ultradns.org.

systemsimmunity.org has at least partial name server overlap with other domains, such as sbri.org, pillsburylaw.mobi, digitalcurrency.law and two others.

pdns74.ultradns.info, pdns74.ultradns.co.uk and ns1.pillsburylaw.com — plus 7 other name servers — are commonly paired with these name servers.

pdns74.ultradns.biz, pdns74.ultradns.com, pdns74.ultradns.net and pdns74.ultradns.org all point to exactly two IP numbers each: pdns74.ultradns.biz → 156.154.66.74 and 2610:a1:1015::6e; pdns74.ultradns.com → 156.154.64.74 and 2001:502:f3ff::6e; pdns74.ultradns.net → 156.154.65.74 and 2610:a1:1014::6e; pdns74.ultradns.org → 156.154.67.74 and 2001:502:4612::6e.