cfspec.com - dns.ninja

`cfspec.com`

DNSSEC	⚠️ Not signed
A	178.248.39.129^{🇬🇧 CCS-Leeds-ASN178.248.32.0/21 C.C.S. (Leeds) Ltd}
NS	`oswold.obsidianinternet.net` ⭐ ⚠️ Not in parent delegation
		A	178.248.39.30^{🇬🇧 CCS-Leeds-ASN178.248.32.0/21 C.C.S. (Leeds) Ltd}
NS	`oswold.obsidianinternet.com` ⚠️ Not in zone NS records
		A	178.248.39.29^{🇬🇧 CCS-Leeds-ASN178.248.32.0/21 C.C.S. (Leeds) Ltd}
NS	`rincewind.obsidianinternet.com` ⚠️ Not in zone NS records
NS	`rincewind.obsidianinternet.net` ⚠️ Not in parent delegation
		A	178.248.39.15^{🇬🇧 CCS-Leeds-ASN178.248.32.0/21 C.C.S. (Leeds) Ltd}
NS	`wuffles.obsidianinternet.com` ⚠️ Not in zone NS records
NS	`wuffles.obsidianinternet.net` ⚠️ Not in parent delegation
		A	52.174.63.135^{🇳🇱 Microsoft52.160.0.0/11 MICROSOFT}
MX	`cfspec-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db3pr0202cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::a^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-du0pr03cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::9^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr04cu00801.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::f^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00307.inbound.protection.outlook.com`
		A	52.101.68.10^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dbbpr03cu00102.inbound.protection.outlook.com`
		A	52.101.73.8^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
		A	52.101.73.12^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am4pr0401cu00104.inbound.protection.outlook.com`
		A	52.101.73.153^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr05cu00401.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`oswold.obsidianinternet.net`domains@obsidianinternet.net 2022-11-23 #4

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1785304292

Subdomains

www.cfspec.com

Same first word

cfspec.com

Similar names

csepcf.com

scpcfe.cn

fcspec.com

DNS History

9 records (8 active, 1 former)

●NSoswold.obsidianinternet.com2026-03-11 → 2026-07-29 · 3 obs

○ 2015-06-28 23:24:02
● 2026-03-11 08:48:30
● 2026-07-29 06:16:48

●NSoswold.obsidianinternet.net2015-06-28 → 2026-07-29 · 2 obs

● 2015-06-28 23:24:02
● 2026-07-29 06:16:48

●NSrincewind.obsidianinternet.com2026-03-11 → 2026-07-29 · 3 obs

○ 2015-06-28 23:24:02
● 2026-03-11 08:48:30
● 2026-07-29 06:16:48

●NSrincewind.obsidianinternet.net2015-06-28 → 2026-07-29 · 2 obs

● 2015-06-28 23:24:02
● 2026-07-29 06:16:48

●NSwuffles.obsidianinternet.com2026-03-11 → 2026-07-29 · 3 obs

○ 2015-06-28 23:24:02
● 2026-03-11 08:48:30
● 2026-07-29 06:16:48

●NSwuffles.obsidianinternet.net2015-06-28 → 2026-07-29 · 2 obs

● 2015-06-28 23:24:02
● 2026-07-29 06:16:48

●MXcfspec-com.mail.protection.outlook.com2015-06-28 → 2026-07-29 · 2 obs

● 2015-06-28 23:24:02
● 2026-07-29 06:16:48

●A178.248.39.1292019-03-17 → 2026-07-29 · 3 obs

○ 2017-02-11 07:31:48
● 2019-03-17 15:50:42
● 2026-07-29 06:16:48

○A70.32.68.2492015-06-28 → 2017-02-11 · 4 obs

● 2015-06-28 23:24:02
● 2017-02-11 07:31:48
○ 2019-03-17 15:50:42
○ 2026-07-29 06:16:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, a.gtld-servers.net, d.gtld-servers.net, g.gtld-servers.net...	-
cfspec.com	oswold.obsidianinternet.com, rincewind.obsidianinternet.com, wuffles.obsidianinternet.com	3 records

✅ Authoritative Response

Server:178.248.39.29

NS records: oswold.obsidianinternet.com, rincewind.obsidianinternet.com, wuffles.obsidianinternet.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cfspec.com (unsigned zone)

⏱️ Timing

Total: 3316ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`178.248.39.129`
NS	3	`wuffles.obsidianinternet.net, rincewind.obsidianinternet.net...`
MX	1	`cfspec-com.mail.protection.outlook.com (`
TXT	1	`v=spf1 include:spf.protection.outlook.co`
SOA	1	`oswold.obsidianinternet.net domains.obsi`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (oswold.obsidianinternet.com, rincewind.obsidianinternet.com, wuffles.obsidianinternet.com)

Analysis

Hierarchy

cfspec.com is the parent zone for www.cfspec.com.

IP Addresses

cfspec.com has exactly one IP address — 178.248.39.129.

servinglancashire.org.uk and www.cfspec.com, along with other host names, share IP addresses with cfspec.com.

Name Servers

cfspec.com carries NS records listing 6 name servers — oswold.obsidianinternet.com, rincewind.obsidianinternet.com, wuffles.obsidianinternet.com and 3 others.

cfspec.com partially shares its NS delegation with several other domains, including osd-uk.com, skipbookers.co.uk, basedata.co.uk and two others.

In DNS configurations, these name servers often share authority with oswold.obsidianinternet.net, rincewind.obsidianinternet.net, wuffles.obsidianinternet.net and 7 other name servers.

Four host names, each with one IP address: oswold.obsidianinternet.com has 178.248.39.29, oswold.obsidianinternet.net has 178.248.39.30, rincewind.obsidianinternet.net has 178.248.39.15 and wuffles.obsidianinternet.net has 52.174.63.135.

Mail Servers

cfspec.com uses one mail server — cfspec-com.mail.protection.outlook.com.

cfspec-com.mail.protection.outlook.com has 8 IP addresses: 52.101.68.10, 52.101.73.8, 52.101.73.12 plus 5 more.