nerd911.dk

📜 Historical scan 2026-06-26 23:23:48 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

nerd911.dk is a .dk domain served by 2 nameservers (erin.ns.cloudflare.com, nash.ns.cloudflare.com). It was registered on 11 January 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.140.164.57 is hosted by LeaseWeb Netherlands B.V. (AS60781) in The Netherlands. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 42ms

Nameserver	IP addresses	PTR	ASN / ISP
erin.ns.cloudflare.com	108.162.192.113 172.64.32.113 173.245.58.113 2606:4700:50::adf5:3a71 2803:f800:50::6ca2:c071 2a06:98c1:50::ac40:2071	erin.ns.cloudflare.com erin.ns.cloudflare.com erin.ns.cloudflare.com erin.ns.cloudflare.com erin.ns.cloudflare.com erin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
nash.ns.cloudflare.com	108.162.193.209 172.64.33.209 173.245.59.209 2606:4700:58::adf5:3bd1 2803:f800:50::6ca2:c1d1 2a06:98c1:50::ac40:21d1	nash.ns.cloudflare.com nash.ns.cloudflare.com nash.ns.cloudflare.com nash.ns.cloudflare.com nash.ns.cloudflare.com nash.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.140.164.57	300s	sh5138.sd.eurovps.com	AS60781	LeaseWeb Netherlands B.V.	185.140.164.0/23	🇳🇱 The Netherlands	—

📧 MX Records#

5 records 29ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	173.194.221.26 2a00:1450:4010:c0f::1a 2a00:1450:4010:c0f::1a	lm-in-f26.1e100.net lt-in-f26.1e100.net lt-in-x1a.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1a	so-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	alt3.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1b	tp-in-f26.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	alt4.aspmx.l.google.com	192.178.230.27 2404:6800:400b:c01b::1b	yunrtab-in-f27.1e100.net yunrtab-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.8
🔶 Autoconfig	discovery.nerd911.dk → 77.233.252.6

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

5 records 75ms

Service	Port	Target
_xmpp-server._tcp	5269	xmpp-server1.l.google.com
_xmpp-server._tcp	5269	xmpp-server3.l.google.com
_xmpp-server._tcp	5269	xmpp-server4.l.google.com
_xmpp-server._tcp	5269	xmpp-server.l.google.com
_xmpp-server._tcp	5269	xmpp-server2.l.google.com

📝 TXT Records#

5 records 195ms

TXT Record
apple-domain-verification=1XvQ8I33AlIm2NVH
google-site-verification=LnmwogcweG7jbuapPUUBdSgelZNTkXGhBFKweqtL1s4
google-site-verification=MWkAghV3z1Y-aFw_pey3dKi1itbz_aK_a3Zmnq1j-Wg
MS=ms78162267
v=spf1 include:spf1.nerd911.dk include:spf2.nerd911.dk -all

✉️ SPF#

Policy	Record (nerd911.dk)
-all (hard fail)	v=spf1 include:spf1.nerd911.dk include:spf2.nerd911.dk -all

📨 DMARC#

Policy	Record (_dmarc.nerd911.dk)
p=reject	v=DMARC1; p=reject; pct=100; rua=mailto:7978e4f27aa340c19f587dd62deb61b7@dmarc-reports.cloudflare.net,mailto:dmarc_agg@vali.email; ruf=mailto:dmarc_agg@vali.email; sp=none; aspf=r;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-15 17:41:31

www	104.21.42.244 172.67.213.111 2606:4700:3033::6815:2af4 2606:4700:3037::ac43:d56f (AS13335) (address records, no CNAME)
www vs bare domain	Same network nerd911.dk: 104.21.42.244 172.67.213.111 2606:4700:3033::6815:2af4 2606:4700:3037::ac43:d56f (AS13335) www.nerd911.dk: 104.21.42.244 172.67.213.111 2606:4700:3033::6815:2af4 2606:4700:3037::ac43:d56f (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

3 found

Selector	CNAME	Key
google	—	RSA · ~2048 bit
s1	s1.domainkey.u16073062.wl063.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u16073062.wl063.sendgrid.net	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

error include:spf1.nerd911.dk has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)
error include:spf2.nerd911.dk has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.nerd911.dk	I2BVCO2o_zBoLVhFkVsmmGMSsL9Nkz5GDkaeWXED-oI

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

61ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

34ms

Field	Value
Serial	2407337208
Primary NS (MNAME)	erin.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-15 17:53:22

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2001-01-11
Expires	2027-03-31 (164d)

🔗 Same registrant#

16 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
afoss.dk	Simply.com A/S
aigym.dk	Key-Systems GmbH
bay-consult.dk	Punktum dk A/S (direct)
bhv2.dk	Punktum dk A/S (direct)
brock-didriksen.dk	Punktum dk A/S (direct)
bwbp.dk	Punktum dk A/S (direct)
homaizi.dk	Punktum dk A/S (direct)
meretezacho.dk	Punktum dk A/S (direct)
nerdweb.dk	Punktum dk A/S (direct)
nnoo.dk	Simply.com A/S
pourquoi.dk	Punktum dk A/S (direct)
radbs.dk	Punktum dk A/S (direct)
rebeccaelbek.dk	Punktum dk A/S (direct)
scantrenddesign.dk	Punktum dk A/S (direct)
skovgraensen.dk	Punktum dk A/S (direct)
traveljustlinde.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

42ms

35ms

29ms

AAAA

35ms

TXT

195ms

CAA

49ms

HTTPS

58ms

TLSA

148ms

SOA

34ms

MTA-STS

44ms

DNSSEC

61ms

SRV

75ms

Total

1170ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 17:41:31	622ms	2 NS 2 A 5 MX	🔒 Secure
2026-10-08 08:08:00	4578ms	2 NS 2 A 5 MX	🔒 Secure
2026-10-02 06:28:13	1236ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-28 05:46:09	1725ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-24 03:59:23	1006ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-16 13:42:44	1373ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-10 09:22:00	1175ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-08 09:18:38	1271ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-06 13:24:30	2400ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-23 06:22:59	10627ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-21 05:58:20	1619ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-19 02:31:12	6229ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-17 20:04:12	1652ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-16 01:10:23	1672ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-13 20:19:28	6596ms	2 NS 2 A 5 MX	🔒 Secure
2026-07-27 11:48:17	2973ms	2 NS 2 A 5 MX	🔒 Secure
2026-07-24 09:39:09	1980ms	2 NS 2 A 5 MX	🔒 Secure
2026-07-16 09:24:54	1590ms	2 NS 2 A 5 MX	🔒 Secure
2026-07-03 20:32:58	12166ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-02 20:01:24	1485ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-26 23:23:48 shown	1170ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-20 21:30:05	1136ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-18 04:18:27	47185ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-18 04:01:50	3139ms	2 NS 1 A 5 MX	🔒 Secure