sms-service.dk

📜 Historical scan 2026-10-04 01:53:12 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sms-service.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 22 September 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 51.120.98.194 is hosted by Microsoft Corporation (AS8075) in Norway. Mail is handled by mx1.improvmx.com, mx2.improvmx.com. 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#

4 records 30ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
51.120.98.194	600s	—	AS8075	Microsoft Corporation	51.120.0.0/16	🇳🇴 Norway	Oslo

📧 MX Records#

2 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.improvmx.com	13.37.195.136 15.236.236.160 2a05:d012:412:e201:88aa:e7b9:7a43:12d7 2a05:d012:412:e202:f36:2c1f:1a49:d38a 2a05:d012:412:e203:373a:f51a:4a85:1d25 35.181.18.45	ec2-13-37-195-136.eu-west-3.compute.amazonaws.com ec2-15-236-236-160.eu-west-3.compute.amazonaws.com — — — ec2-35-181-18-45.eu-west-3.compute.amazonaws.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
20	3600s	mx2.improvmx.com	13.36.107.63 13.36.222.39 15.236.61.92 2a05:d012:412:e201:1f6e:f6e4:8fd7:4678 2a05:d012:412:e202:e81e:cc44:3b53:8a3d 2a05:d012:412:e203:7e33:3d9c:28d7:ee20	ec2-13-36-107-63.eu-west-3.compute.amazonaws.com ec2-13-36-222-39.eu-west-3.compute.amazonaws.com ec2-15-236-61-92.eu-west-3.compute.amazonaws.com — — —	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.149.136
🔶 Autoconfig	51.120.98.194

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

6 records 114ms

TXT Record
3upvl5agl0aackpd94r5pp56mp
a1hf4qr6cc0n6n4odb3iq4q91s
google-site-verification=oxQzrDQ6cvXFD8w0GcfKgQzvyxb6W_KmCwSW8YmrQy8
J7MM1B7NFCB5RE2UTARSEHMKCQ
rm5tqbveqocigmcu8f4c02nvfn
v=spf1 include:spf.improvmx.com ~all

✉️ SPF#

Policy	Record (sms-service.dk)
~all (soft fail)	v=spf1 include:spf.improvmx.com ~all

📨 DMARC#

Policy	Record (_dmarc.sms-service.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100; rua=mailto:re+g878lafqa7k@dmarc.postmarkapp.com; 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 2026-10-12 15:10:59

www	51.120.98.194 (AS8075) (address records, no CNAME)
www vs bare domain	Same network sms-service.dk: 51.120.98.194 (AS8075) www.sms-service.dk: 51.120.98.194 (AS8075)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
s1	s1.domainkey.u8384343.wl094.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u8384343.wl094.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: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

59ms

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

🏷️ SOA#

22ms

Field	Value
Serial	2026093000
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-12 15:34:23

Field	Value
Registrar	Simply.com A/S
Registered	2010-09-22
Expires	2027-09-30 (345d)

🔗 Same registrant#

2 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
blueidea.dk	Simply.com A/S
servicealert.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

30ms

42ms

33ms

AAAA

32ms

TXT

114ms

CAA

29ms

HTTPS

31ms

TLSA

260ms

SOA

22ms

MTA-STS

46ms

DNSSEC

59ms

SRV

54ms

Total

632ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 15:10:59	597ms	4 NS 1 A 2 MX	🔒 Secure
2026-10-04 01:53:12 shown	632ms	4 NS 1 A 2 MX	🔒 Secure
2026-10-01 07:21:39	943ms	4 NS 1 A 2 MX	🔒 Secure
2026-09-28 06:56:36	680ms	4 NS 1 A 2 MX	🔒 Secure
2026-09-23 19:29:14	914ms	4 NS 1 A 2 MX	🔒 Secure
2026-06-17 13:32:10	1017ms	4 NS 1 A 2 MX	🔒 Secure