persistent-identifier.de - dns.ninja

`persistent-identifier.de`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::ac43:c822^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:5263^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.82.99^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.200.34^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`elsa.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a6f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elsa.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c06f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`elsa.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:206f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`elsa.ns.cloudflare.com`
		A	108.162.192.111^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elsa.ns.cloudflare.com`
		A	172.64.32.111^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elsa.ns.cloudflare.com`
		A	173.245.58.111^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elsa.ns.cloudflare.com`
NS	`matt.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b83^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`matt.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c183^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`matt.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2183^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`matt.ns.cloudflare.com`
		A	108.162.193.131^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`matt.ns.cloudflare.com`
		A	172.64.33.131^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`matt.ns.cloudflare.com`
		A	173.245.59.131^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`matt.ns.cloudflare.com`
MX	`mx10.antispam.mailspamprotection.com` ⭐
		A	34.149.79.66^{🇺🇸 Google34.148.0.0/14}
			PTR	`66.79.149.34.bc.googleusercontent.com`
MX	`mx20.antispam.mailspamprotection.com`⁽²⁰⁾
		A	34.120.156.61^{🇺🇸 Google34.120.0.0/14}
			PTR	`61.156.120.34.bc.googleusercontent.com`
MX	`mx30.antispam.mailspamprotection.com`⁽³⁰⁾
		A	34.111.121.216^{🇺🇸 Google34.108.0.0/14}
			PTR	`216.121.111.34.bc.googleusercontent.com`
TXT	`v=spf1 +a +mx include:persistent-identifier.de.spf.auto.dnssmarthost.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.82.99, 172.67.200.34
		IPv6 hints	2606:4700:3036::ac43:c822, 2606:4700:3037::6815:5263
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=49, name=cloudflare-ech.com
SOA	`elsa.ns.cloudflare.com`dns@cloudflare.com serial=2406245474

`de`

	DNSSEC	🔒 Signed (DS record present)
	NS	`f.nic.de` ⭐
	NS	`a.nic.de`
	NS	`l.de.net` ⚠️ Not in parent delegation
	NS	`n.de.net` ⚠️ Not in parent delegation
	NS	`s.de.net` ⚠️ Not in parent delegation
	NS	`z.nic.de`
	SOA	`f.nic.de`dns-operations@denic.de serial=1783260311

rank #538151 globally
rank #18671 in the tld
WOT: SAFE (61/100)

Same first word

persistent-identifier.de

persistent-identifier.nl

DNS History

16 records (9 active, 7 former)

○NSdeneb.dfn.de2015-06-09 → 2017-12-14 · 4 obs

● 2015-06-09 19:32:18
● 2017-12-14 03:44:38
○ 2026-03-11 21:08:20
○ 2026-07-05 14:05:42

●NSelsa.ns.cloudflare.com2026-03-11 → 2026-07-05 · 3 obs

○ 2017-12-14 03:44:38
● 2026-03-11 21:08:20
● 2026-07-05 14:05:42

●NSmatt.ns.cloudflare.com2026-03-11 → 2026-07-05 · 3 obs

○ 2017-12-14 03:44:38
● 2026-03-11 21:08:20
● 2026-07-05 14:05:42

○NSns.dnb.de2015-06-09 → 2017-12-14 · 4 obs

● 2015-06-09 19:32:18
● 2017-12-14 03:44:38
○ 2026-03-11 21:08:20
○ 2026-07-05 14:05:42

○NSns0.dnb.de2015-06-09 → 2017-12-14 · 4 obs

● 2015-06-09 19:32:18
● 2017-12-14 03:44:38
○ 2026-03-11 21:08:20
○ 2026-07-05 14:05:42

○NSns1.dnb.de2015-06-09 → 2017-12-14 · 4 obs

● 2015-06-09 19:32:18
● 2017-12-14 03:44:38
○ 2026-03-11 21:08:20
○ 2026-07-05 14:05:42

●MXmx10.antispam.mailspamprotection.com2026-03-11 → 2026-07-05 · 2 obs

● 2026-03-11 21:08:20
● 2026-07-05 14:05:42

●MXmx20.antispam.mailspamprotection.com2026-03-11 → 2026-07-05 · 2 obs

● 2026-03-11 21:08:20
● 2026-07-05 14:05:42

●MXmx30.antispam.mailspamprotection.com2026-03-11 → 2026-07-05 · 2 obs

● 2026-03-11 21:08:20
● 2026-07-05 14:05:42

●A104.21.82.992026-03-11 → 2026-07-05 · 3 obs

○ 2017-12-14 03:44:38
● 2026-03-11 21:08:20
● 2026-07-05 14:05:42

●A172.67.200.342026-03-11 → 2026-07-05 · 3 obs

○ 2017-12-14 03:44:38
● 2026-03-11 21:08:20
● 2026-07-05 14:05:42

○A193.175.100.472015-06-09 → 2017-12-14 · 4 obs

● 2015-06-09 19:32:18
● 2017-12-14 03:44:38
○ 2026-03-11 21:08:20
○ 2026-07-05 14:05:42

○A2606:4700:3033::6815:52632026-03-11 → 2026-03-11 · 4 obs

○ 2017-12-14 03:44:38
● 2026-03-11 21:08:20
○ 2026-06-21 18:10:12
○ 2026-07-05 14:05:42

○A2606:4700:3035::ac43:c8222026-03-11 → 2026-03-11 · 4 obs

○ 2017-12-14 03:44:38
● 2026-03-11 21:08:20
○ 2026-06-21 18:10:12
○ 2026-07-05 14:05:42

●A2606:4700:3036::ac43:c8222026-06-21 → 2026-07-05 · 3 obs

○ 2026-03-11 21:08:20
● 2026-06-21 18:10:12
● 2026-07-05 14:05:42

●A2606:4700:3037::6815:52632026-06-21 → 2026-07-05 · 3 obs

○ 2026-03-11 21:08:20
● 2026-06-21 18:10:12
● 2026-07-05 14:05:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
persistent-identifier.de	elsa.ns.cloudflare.com, matt.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.111

NS records: elsa.ns.cloudflare.com, matt.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for persistent-identifier.de (unsigned zone)

⏱️ Timing

Total: 600ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.200.34, 104.21.82.99`
AAAA	2	`2606:4700:3037::6815:5263, 2606:4700:3036::ac43:c822`
NS	2	`elsa.ns.cloudflare.com, matt.ns.cloudflare.com`
MX	3	`mx10.antispam.mailspamprotection.com (pr, mx20.antispam.mailspamprotection.com (pr...`
TXT	1	`v=spf1 +a +mx include:persistent-identif`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`elsa.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

persistent-identifier.de directs to four IP numbers, which are 104.21.82.99, 172.67.200.34, 2606:4700:3036::ac43:c822 and 2606:4700:3037::6815:5263.

trustwallet.tf, americangulag.org, ethgas.run plus two other host names have IP numbers in common with persistent-identifier.de.

Name Servers

Two name servers handle the delegation for persistent-identifier.de: elsa.ns.cloudflare.com and matt.ns.cloudflare.com.

The name server configuration of persistent-identifier.de is shared with other domains, for instance imgtl.com, kanacos.com.vn, euromixproject.eu and two others.

There is at least partial name server overlap between persistent-identifier.de and other domains — clmw.ca, mosad.co.il, flyingwish.co.uk and two more among them.

These name servers frequently co-occur with the name servers sue.ns.cloudflare.com and kipp.ns.cloudflare.com.

Hosts with 6 IP addresses each:

elsa.ns.cloudflare.com resolves to 108.162.192.111, 172.64.32.111 and 173.245.58.111 among others, with 3 other IP addresses in total.

matt.ns.cloudflare.com resolves to 108.162.193.131, 172.64.33.131 and 173.245.59.131 among others, with 3 other IP addresses in total.

Mail Servers

Incoming mail for persistent-identifier.de is delivered via three mail servers: mx10.antispam.mailspamprotection.com, mx20.antispam.mailspamprotection.com and mx30.antispam.mailspamprotection.com.

At least some of the mail servers used by persistent-identifier.de are shared with other domains: cma-auto.com, canyonguitars.com, veganfusion.com and two others among them.

mx10.antispam.mailspamprotection.com points to 34.149.79.66; mx20.antispam.mailspamprotection.com points to 34.120.156.61; mx30.antispam.mailspamprotection.com points to 34.111.121.216 — each hostname maps to exactly one IP address.