🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`mail.nullstring.com`

DNSSEC	⚠️ Not signed
A	66.181.34.248^{🇺🇸 AS6423666.181.32.0/19 1321 Burlington Street Suite F North Kansas City MO 64116 United States}
		PTR	`mx2.doroyal.com`

`nullstring.com`

	DNSSEC	⚠️ Not signed
	A	66.181.34.248^{🇺🇸 AS6423666.181.32.0/19 1321 Burlington Street Suite F North Kansas City MO 64116 United States}
	NS	`ns1.royal2.doroyal.com` ⭐ ⚠️ Not in parent delegation
	NS	`ns2.royal2.doroyal.com` ⚠️ Not in parent delegation
	NS	`ns7.doroyal.com` ⚠️ Not in zone NS records
	NS	`ns8.doroyal.com` ⚠️ Not in zone NS records
	MX	`mail.nullstring.com` ⭐
	TXT	`v=spf1 a mx ip4:66.181.34.247 ip6:2604:abc0:103:332:2ef0:5dff:fe8c:c58f ~all`
	SOA	`ns1.royal2.doroyal.com`hostmaster@nullstring.com 2025-10-16 #1

MX for

nullstring.com

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Previous names

Next names

DNS History

7 records (1 active, 6 former)

○NSns1.facesharedus1.com2016-06-24 → 2016-06-24 · 3 obs

● 2016-06-24 14:47:44
○ 2026-08-17 16:22:36
○ 2026-08-25 19:13:32

○NSns2.facesharedus1.com2016-06-24 → 2016-06-24 · 3 obs

● 2016-06-24 14:47:44
○ 2026-08-17 16:22:36
○ 2026-08-25 19:13:32

○MXnullstring.com2016-06-24 → 2016-06-24 · 3 obs

● 2016-06-24 14:47:44
○ 2026-08-17 16:22:36
○ 2026-08-25 19:13:32

○A108.163.251.662016-06-24 → 2016-06-24 · 4 obs

○ 2016-02-22 19:14:20
● 2016-06-24 14:47:44
○ 2026-08-17 16:22:36
○ 2026-08-25 19:13:32

●A66.181.34.2482026-08-17 → 2026-08-25 · 3 obs

○ 2016-06-24 14:47:44
● 2026-08-17 16:22:36
● 2026-08-25 19:13:32

○A74.220.207.1662015-07-13 → 2016-02-22 · 4 obs

● 2015-07-13 13:31:38
● 2016-02-22 19:14:20
○ 2016-06-24 14:47:44
○ 2026-08-25 19:13:32

○CNAMEnullstring.com2016-06-24 → 2016-06-24 · 3 obs

● 2016-06-24 14:47:44
○ 2026-08-17 16:22:36
○ 2026-08-25 19:13:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, k.gtld-servers.net, m.gtld-servers.net...	-
nullstring.com	ns7.doroyal.com, ns8.doroyal.com	2 records

✅ Authoritative Response

Server:66.181.34.251

NS records: ns7.doroyal.com, ns8.doroyal.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for nullstring.com (unsigned zone)

⏱️ Timing

Total: 275ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`66.181.34.248`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns7.doroyal.com, ns8.doroyal.com)

Analysis

Mail Server Role

nullstring.com uses mail.nullstring.com as a mail server.

IP Addresses

mail.nullstring.com resolves to one IP address: 66.181.34.248.

ideoserv.com, spectrumretail.com, warnas.net and two other host names share IP numbers with mail.nullstring.com.

mail.nullstring.com - robtex.com