bylumen.dk

📜 Historical scan 2026-06-20 17:29:37 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bylumen.dk is a .dk domain served by 4 nameservers (ns1.dotserv.com, ns1.dotserv.net, ns2.dotserv.com and 1 more). It was registered on 30 June 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 52.29.159.180 is hosted by Amazon.com, Inc. (AS16509) in Germany. Mail is handled by ASPMX.L.GOOGLE.COM, ALT1.ASPMX.L.GOOGLE.COM and 3 more. The zone is not DNSSEC-signed, 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#

4 records 74ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dotserv.com	178.20.218.61 2a01:7cc0:101:ffff::51	ns1.dotserv.com ns1.dotserv.com	AS21060 Atea A/S AS21060 Atea A/S
ns1.dotserv.net	178.20.217.29 2a01:7cc0:101:ffff::52	ns1.dotserv.net ns2.dotserv.com	AS21060 Atea A/S AS21060 Atea A/S
ns2.dotserv.com	193.180.214.21	—	AS44803 Webdock.io ApS
ns2.dotserv.net	162.19.249.51 2001:41d0:701:1100::c89e	ns2.dotserv.net ns2.dotserv.net	AS16276 OVH SAS AS16276 OVH SAS

🌍 A Records#

1 records 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
52.29.159.180	3600s	ec2-52-29-159-180.eu-central-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	52.24.0.0/13	🇩🇪 Germany	Frankfurt am Main

📧 MX Records#

5 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	ASPMX.L.GOOGLE.COM	2a00:1450:4025:c03::1b 74.125.205.26	rc-in-f27.1e100.net le-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	ALT1.ASPMX.L.GOOGLE.COM	192.178.211.26 2404:6800:4003:c26::1b	lcbomp-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	ALT2.ASPMX.L.GOOGLE.COM	172.253.158.27 2404:6800:4008:c01::1b	so-in-f27.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	ALT3.ASPMX.L.GOOGLE.COM	192.178.230.26 2404:6800:400b:c01b::1a	yunrtab-in-f26.1e100.net yunrtab-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	ALT4.ASPMX.L.GOOGLE.COM	173.194.43.27 2607:f8b0:400e:c1e::1a	yudlsqd-in-f27.1e100.net yudlsqd-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	mail.bylumen.dk → 216.58.201.211
🔶 Autoconfig	52.29.159.180

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 247ms

TXT Record
v=spf1 include:_spf.google.com ~all

✉️ SPF#

Policy	Record (bylumen.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~all

📨 DMARC#

Policy	Record (_dmarc.bylumen.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarc-reports@bylumen.dk

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

2 records 40ms

Flags	Tag	Value
0	issue	comodoca.com
0	issue	letsencrypt.org

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-11 15:10:38

www	52.29.159.180 (AS16509) (address records, no CNAME)
www vs bare domain	Same network bylumen.dk: 52.29.159.180 (AS16509) www.bylumen.dk: 52.29.159.180 (AS16509)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

3 found

Selector	CNAME	Key
google	—	RSA · ~2048 bit
s1	s1.domainkey.u24209048.wl049.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u24209048.wl049.sendgrid.net	RSA · ~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: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

96ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA#

32ms

Field	Value
Serial	2020070201
Primary NS (MNAME)	ns1.dotserv.com
Responsible (RNAME)	hostmaster\@dotserv@com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-21 00:57:18

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2016-06-30
Expires	2027-06-30 (251d)

🔗 Same registrant#

1 domain

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
karano.dk	FIONIA IT ApS

📋 WHOIS#

⏱️ Lookup Timing#

74ms

43ms

37ms

AAAA

100ms

TXT

247ms

CAA

40ms

HTTPS

51ms

TLSA

110ms

SOA

32ms

MTA-STS

42ms

DNSSEC

96ms

SRV

153ms

Total

704ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-26 22:16:26	821ms	4 NS 1 A 5 MX	🔓 Insecure
2026-08-26 22:46:34	2939ms	4 NS 1 A 5 MX	🔓 Insecure
2026-06-28 02:20:15	2170ms	4 NS 1 A 5 MX	🔓 Insecure
2026-06-27 12:15:29	1022ms	4 NS 1 A 5 MX	🔓 Insecure
2026-06-27 09:05:02	2966ms	4 NS 1 A 5 MX	🔓 Insecure
2026-06-26 00:02:18	2556ms	4 NS 1 A 5 MX	🔓 Insecure
2026-06-23 02:03:20	1174ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 17:29:37 shown	704ms	4 NS 1 A 5 MX	🔓 Insecure
2026-06-16 18:25:04	822ms	4 NS 1 A 5 MX	🔓 Insecure