`listserv01.nerc.com`

DNSSEC	⚠️ Not signed
A	2606:4700::6812:1a9e^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700::6812:1b9e^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.18.26.158^{Cloudflare104.18.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.18.27.158^{Cloudflare104.18.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/2 ✓ hints match
		IPv4 hints	104.18.26.158, 104.18.27.158
		IPv6 hints	2606:4700::6812:1a9e, 2606:4700::6812:1b9e

`nerc.com`

	DNSSEC	⚠️ Not signed
	A	2a00:1c50:94::2^{🇸🇪 EPISERVER_AS2a00:1c50:94::/48}
	A	217.114.94.2^{🇸🇪 EPISERVER_AS217.114.94.0/24}
	NS	`ernest.ns.cloudflare.com` ⭐
	NS	`kim.ns.cloudflare.com`
	MX	`esa1.nerc.iphmx.com` ⭐
	MX	`esa2.nerc.iphmx.com` ⭐
	TXT	`_s79i02jm3ep5u9bh9uwh8w7gk73mkuj`
	TXT	`v=spf1 ip4:209.208.235.119 ip4:209.208.235.120 a:listserv01.nerc.com a:listse...`
	SOA	`ernest.ns.cloudflare.com`dns@cloudflare.com serial=2408319100

rank #27691 globally
rank #13623 in the tld
WOT: SAFE (62/100)
📈 Tranco rank: #99,823

DNS History

8 records (4 active, 4 former)

○MXmailgw12016-04-20 → 2016-04-20 · 4 obs

○ 2015-12-24 13:31:32
● 2016-04-20 05:35:04
○ 2026-02-19 16:12:42
○ 2026-07-25 00:06:18

○MXmailgw1.nerc.com2015-02-08 → 2015-12-24 · 4 obs

● 2015-02-08 16:43:44
● 2015-12-24 13:31:32
○ 2016-04-20 05:35:04
○ 2026-07-25 00:06:18

○MXmailgw2.nerc.com2015-02-08 → 2015-12-24 · 4 obs

● 2015-02-08 16:43:44
● 2015-12-24 13:31:32
○ 2016-04-20 05:35:04
○ 2026-07-25 00:06:18

●A104.18.26.1582026-02-19 → 2026-07-25 · 3 obs

○ 2016-04-20 05:35:04
● 2026-02-19 16:12:42
● 2026-07-25 00:06:18

●A104.18.27.1582026-02-19 → 2026-07-25 · 3 obs

○ 2016-04-20 05:35:04
● 2026-02-19 16:12:42
● 2026-07-25 00:06:18

○A205.247.120.252015-02-08 → 2016-04-20 · 4 obs

● 2015-02-08 16:43:44
● 2016-04-20 05:35:04
○ 2026-02-19 16:12:42
○ 2026-07-25 00:06:18

●A2606:4700::6812:1a9e2026-02-19 → 2026-07-25 · 3 obs

○ 2016-04-20 05:35:04
● 2026-02-19 16:12:42
● 2026-07-25 00:06:18

●A2606:4700::6812:1b9e2026-02-19 → 2026-07-25 · 3 obs

○ 2016-04-20 05:35:04
● 2026-02-19 16:12:42
● 2026-07-25 00:06:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, l.gtld-servers.net, d.gtld-servers.net, h.gtld-servers.net...	-
nerc.com	kim.ns.cloudflare.com, ernest.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.126

NS records: kim.ns.cloudflare.com, ernest.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for nerc.com (unsigned zone)

⏱️ Timing

Total: 428ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.18.27.158, 104.18.26.158`
AAAA	2	`2606:4700::6812:1a9e, 2606:4700::6812:1b9e`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2"]`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (kim.ns.cloudflare.com, kim.ns.cloudflare.com, kim.ns.cloudflare.com...)

Analysis

IP Addresses

listserv01.nerc.com has four IP addresses: 104.18.26.158, 104.18.27.158, 2606:4700::6812:1a9e and 2606:4700::6812:1b9e.

Among the host names that share IP numbers with listserv01.nerc.com are heart.org.cdn.cloudflare.net, vismasign.com, store.acpro.com and two others.

listserv01.nerc.com - robtex.com